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gland

gland

gland Sentence Examples

  • They have a musk gland on top of their rump that produces a smell when they get upset.

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  • They have a musk gland on top of their rump that produces a smell when they get upset.

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  • B, Sole of the foot of Pyrula tuba, to show a, the pore usually said to be " aquiferous " but probably the orifice of a gland; b, median line of foot.

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  • Other glands opening on or near the foot are: (I) The suprapedal gland opening in the middle line between the snout and the anterior border of the foot.

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  • Two pairs of salivary ducts, each leading from a salivary gland, open into the buccal chamber.

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  • The gland has been found in both sub-orders of the Pectinibranchia, in Cyclostoma and Cypraea among the Taenioglossa, in Hemifusus, Cassis, Nassa, Murex, Fasciolariidae, Turbinellidae, Olividae, Marginellidae and Conidae among the Stenoglossa.

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  • The gland has been found in both sub-orders of the Pectinibranchia, in Cyclostoma and Cypraea among the Taenioglossa, in Hemifusus, Cassis, Nassa, Murex, Fasciolariidae, Turbinellidae, Olividae, Marginellidae and Conidae among the Stenoglossa.

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  • This c and common cross fertilization is often effected by the gland g.

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  • It is the adrectal gland, and in the genera Murex and Purpura secretes a colourless liquid which turns purple upon exposure to the atmosphere, and was used by the ancients as a dye.

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  • But, on the other hand, the vital spirits cause a movement in the gland by which the mind perceives the affection of the organs, learns that something is to be loved or hated, admired or shunned.

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  • This organ is probably homologous with the byssogenous gland of Lamellibranchs.

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  • Calciferous gland or dart-sac on the female duct.

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  • On examination this is found to be the under surface of the posterior limb of the gland, the upper surface of which has just been described as lying beneath the shell.

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  • This is clearly the same process in essence as that of the formation of a vitellogenous gland from part of the primitive ovary, or of the feeding of an ovarian egg by the absorption of neighbouring potential eggs; but here the period at which the sacrifice of one egg to another takes place is somewhat late.

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  • Cunningham that in Buccinum the egg-capsules are formed by this pedal gland and not by any accessory organ of the generative system.

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  • Previously to this, Lankester's pupil Gulland had shown (1885) that in the embryo the coxal gland is a comparatively simple tube, which opens to the exterior in this position and by its other extremity into a coelomic space.

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  • B, Digestive gland from interior A, B, and C magnified about of pitcher, in pocket-like deI oo diameters.

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  • This second duct has normally no spermathecal gland at its termination, which is simple and blunt.

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  • This column stands up from the base of the flower, almost at right angles to the lip, and it bears at the top an anther, in the two hollow lobes of which are concealed the two pollen-masses, each with its caudicle terminating below in a roundish gland, concealed at first in the pouch-like rostellum at the front of the column.

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  • The enlarged glandular structure of the walls of the rectum is frequent in the Pectinibranchia, as is also though not universal the gland marked y, next to the rectum.

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  • In 1900 it was shown that the coxal gland of Limulus is provided with a very delicate thin-walled coiled duct which opens, even in the adult condition, by a minute pore on the coxa of the fifth leg (Patten and Hazen, 13A).

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  • A, prosomatic gastric gland (sometimes called salivary).

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  • forms and in terrestrial genera such as Cyclostoma; (2) the anterior pedal gland opening into the anterior groove of the foot, generally present in aquatic species; (3) dorsal posterior mucous glands in certain Cyclostomatidae.

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  • kidneys, pancreas and the thyroid gland, also in muscle-plasma; " crystalline," a globulin occurring in two forms a and /3, is found in the lens of the eye; " egg-globulin " and " lactoglobulin " occur respectively in the white of egg and in milk.

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  • The essential feature of the asymmetry of Gastropoda is the atrophy or disappearance of the primitively left half of the circumanal complex (the right half in sinistral forms), including the gill, the auricle, the osphradium, the hypobranchial gland and the kidney.

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  • In the latter a pallial siphon, a welldeveloped proboscis and an unpaired oesophageal gland are always present, in the former they are usually absent.

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  • To the right of Spengel's osphradium is the opening of a peculiar gland which has, when dissected out, the form of a bunch of grapes; its secretion is said to be poisonous.

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  • Thus the base of the gill passes in a slanting direction across the right-hand side of the kidney, the posterior end being dorsal to the apex of the gland, and the anterior end ventral to the right-hand corner.

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  • In the latter a pallial siphon, a welldeveloped proboscis and an unpaired oesophageal gland are always present, in the former they are usually absent.

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  • In that gland the mystery of creation is concentrated; thought meets extension and directs it; extension moves towards thought and is perceived.

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  • In 1898 it was conclusively shown in Italy that if a mosquito E of the Anopheles variety bites a person suffering from malaria, and is kept long enough for the parasite to develop in the salivary gland, and is then allowed to bite a healthy person, the latter will in due time develop malaria.

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  • closed in a viscid secretion at the point where the albuminiparous gland opens into the duct intertwined with it; and on reaching the pcint where the spermathecal duct debouches they are impregnated by the spermatozoa which escape now from the spermatheca and meet the ova.

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  • (From Owen.) of the liver or great digestive gland is found in the scorpions, where the axial portion of the digestive canal is short and straight, and the lateral ducts sufficiently wide to admit food into the ramifications of the gland there to be digested; whilst in the spiders the gland is reduced to a series of simple caeca.

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  • closed in a viscid secretion at the point where the albuminiparous gland opens into the duct intertwined with it; and on reaching the pcint where the spermathecal duct debouches they are impregnated by the spermatozoa which escape now from the spermatheca and meet the ova.

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  • From the ovo-testis, which lies near the apex of the visceral coil, a common hermaphrodite duct ve proceeds, which receives the duct of the compact white albuminiparous gland, Ed, and then becomes much enlarged, the additional width being due to the development of glandular folds, which are regarded as forming a uterus u.

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  • The musky odour from which it derives its name is due to the secretion of a large gland situated in the inguinal region, and present in both sexes.

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  • Similar observations were made by Laurie (17) in Lankester's laboratory (1890) with regard to the early condition of the coxal gland of Scorpio, and by Bertkau (41) as to that of the spider Atypus.

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  • This is the so-called c narion, or pineal gland, where in a minimized point the mind on one hand and the vital spirits on the other meet and communicate.

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  • e, Gland.

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  • A second type of human benign salivary gland neoplasm.

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  • The tail is long and in some cases prehensile; the first hind-toe may be either large, small or absent; the dentition usually includes three pairs of upper and one of lower incisors, and six or seven pairs of cheekteeth in each jaw; the stomach is either simple or sadculated, without a cardiac gland; and there are four teats.

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  • The pneumato phore arises from the ectoderm as a pit or invagination, part of which forms a gas-secreting gland, while the rest gives rise to an air-sack lined by a chitinous cuticle.

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  • Haeckel regards it as the equivalent of the manubrium, and as it is implanted on the blind end of the pneumatophore, such a view leads necessarily to the air-sack and gland being a development on the ex-umbral surface of the medusa-person.

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  • In addition to these lines, all tadpoles show more or less distinctly a small whitish gland in the middle of the head between the eyes, the so-called frontal gland or pineal gland, which in early stages is connected with the brain.

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  • k, Opening of the albuphrodite duct, which very soon becomes miniparous gland into P Y the hermaphrodite entwined in the spire of a gland - the duct.

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  • The name " coxal gland " needs to be carefully distinguished from " crural gland," with which it is apt to be confused.

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  • A gland and tuft are present on the skin of the outer side of the upper part of the hind cannon-bone; but, unlike American deer, there is no gland on the inner side of the hock.

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  • Mind, driven from the field of extension, erects its last fortress in the pineal gland.

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  • While the oviducts always open directly on to the exterior, it is the rule for the sperm ducts to open on to the exterior near to or through certain terminal chambers, which have been variously termed atrium and prostate, or spermiducal gland.

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  • t, Salivary gland.

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  • y, Adrectal (purpuriparous) gland.

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  • 48), Cephalopoda parous gland.

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  • Fusus, Pyrula, Purpura, Murex, Nassa, Trophon, Voluta, &c. The float of the pelagic Janthina, to which the egg-capsules are attached, probably is also formed by the secretion of the pedal gland.

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  • is close to the salivary gland.

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  • The kidney has similar relations in both species, and is identical with the organ spoken of by many authors as the triangular gland.

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  • g, Albuminiparous gland.

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  • albuminiparous gland.

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  • Orifice of the grape-shaped (supposed poisonous) gland.

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  • Ed, Albuminiparous gland.

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  • The musky odour from which the animal takes its name does not appear to be due to the secretion of any gland.

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  • B, Coxal gland.

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  • - The right coxal gland of Limulus polyphemus, Latr.

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  • b, Longitudinal lobe or stolon of the coxal gland.

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  • - Appendages of 1st pair bisegmented, without poison gland; of 2nd pair prehensile, their basal segments underlying the proboscis, and furnished with sterno 1 to i 1, Somites of the opisthosoma (mesosoma plus metasoma).

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  • Appendages of 1st pair have two segments, as in Pedipalpi, but are furnished with poison gland, and are retroverts.

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  • The " retrovert " or bent-back first pair of appendages is provided with a poison gland opening on the fang or terminal segment.

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  • Under side of the uplifted genital or first opisthosomatic somite of the female; g, genital aperture; p, pitted plate, probably a gland for the secretion of adhesive material for the eggs; 1, the edges of the lamellae of the lung-books of the first pair.

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  • Appendages of 1st pair consisting of three segments, completely chelate, without poison gland; of 2nd pair slender, leg-like, tipped with three claws, the basal segment without sterno-coxal process taking no share in mastication, and widely separated from its fellow of the opposite side; 3rd, 4th, 5th and 6th appendages similar in form to the 2nd and to each other.

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  • Orifice of coxal gland situated just behind that of the foetid gland.

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  • Orifice of coxal gland situated between the coxae of the 5th and 6th appendages.

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  • Orifice of coxal gland probably situated at base of coxa of 5th appendage; sternal plate of prosoma minute or absent; no prosternal element underlying the mouth.

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  • The gland is supposed to secrete a ferment, which, being absorbed into the portal circulation, breaks up a certain portion at least of the grape-sugar contained in the portal blood, and so prevents this overflowing into the circulation in general.

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  • A salivary gland degenerates when its nerve-supply is cut off.

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  • The functions of the thymus gland begin to cease after the second year from birth.

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  • The gland then slowly shrinks and undergoes absorption.

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  • Should this take place into a closed gland space it will give rise to cysts, which may attain a great size, as is seen in the ovarian adenomata.

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  • These changes are found in senile wasting, in metaplasia of cartilage, in many tumours, especially mixed growths of the parotid gland and testicle, and in various inflammatory granulation ulcers.

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  • In the wasting of the thyroid gland in myxoedema, or when the gland is completely removed by operation, myxomatous areas are found in the subcutaneous tissue of the skin, nerve-sheaths, &c.

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  • in the mammary gland during lactation or in sebaceous glands, caused by increased functional activity.

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  • It may follow a diminished functional activity, as in the atrophying thymus gland' and in the muscle cells of the uterus after parturition.

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  • - Thyroid gland - cystic goitre.

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  • The gland spaces vary in size and many may show marked cystic formation.

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  • trans., London, 1894); Heidenhain, " Action of Poisons on Nerves of Submaxillary Gland," Arch.

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  • trans., London, 1893); Notkin, " Nature of Colloid in Thyroid Gland," Arch.

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  • Hippocrates had no opportunity of verification by necropsy, and Sydenham ignored pathology; yet the clinical features of many but recently described diseases, such, for example, as that named after Graves, and myxoedema, both associated with perversions of the thyroid gland, lay as open to the eye of physicians in the past as to our own.

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  • ov., ovaries; sh.g., shell gland; y.g., yolk gland; r.s., receptaculum seminis; ut., uterus; X 7.

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  • The uterus (X in figure C) begins in all cases at the shell gland (c, d) and may exhibit a swelling (R S) for the retention of the spermatozoa..

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  • This spur, which attains the length of nearly an inch, is traversed by a minute canal, terminating in a fine longitudinal slit near the point, and connected at its base with the duct of a large gland situated at the back part of the thigh.

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  • The acid gland consists of one, two or more tubes, with a cellular coat of several layers, opening into a reservoir whence the duct leads to the exterior.

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  • The alkaline gland is an irregular tube with a single cellular layer, its duct opening alongside that of the acid reservoir.

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  • The foot has a byssus gland on its posterior surface.

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  • jecur), in anatomy, a large reddish-brown digestive gland situated in the upper and right part of the abdominal cavity.

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  • A pair of large glandular outgrowths, the so-called " liver " or great digestive gland, exists as in other Molluscs.

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  • In many Lamellibranchs a gland is found on the hinder surface of the foot in the mid line, which secretes a substance which sets into the form of threads - the so-called " byssus " - by means of which the animal can fix itself.

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  • Sometimes this gland is found in the young and not in the adult (Anodonta, Unio, Cyclas).

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  • The left inner gill-plate is also snipped to show the subjacent orifices of the left renal organ x, and of the genital gland (testis or ovary) y.

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  • In Arca too and many others it carries a byssus-forming gland and a byssuscementing gland.

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  • In them the foot has a flat ventral surface used for creeping, as in Gastropods, the byssus gland is but slightly developed, the pleural ganglia are distinct, there is a relic of the pharyngeal cavity, in some forms with a pair of glandular sacs, the gonads retain their primitive connexion with the renal cavities, and the otocysts are open.

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  • In the allied genus Cyclas, a byssus gland is formed in the foot and subsequently disappears, but no such gland occurs in Pisidium.

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  • In addition to the characters given above, it may be noted that the mantle is provided with a hypobranchial gland on the outer side of each gill, the auricles are muscular, the kidneys are glandular through their whole length, the sexes are separate.

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  • The special gland of the musk-deer, which has made the animal so well known, and has proved the cause of unremitting persecution to its possessor, is found in the male only, and is a sac about the size of a small orange, situated beneath the skin of the abdomen, the orifice being immediately in front of the preputial aperture.

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  • As each genital gland enlarges it remains attached to the rest of the intermediate cell mass by a constricted fold of the coelomic membrane, known as the mesorchium in the male, and the mesovarium in the female.

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  • Sexual gland.

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  • In the anterior part of the gland are seen bundles of striped muscle fibres, which are of interest when the comparative ana Ampulla of vas deferens tomy of the gland Cut end of great sacrois studied: they are 1 sciatic ligament Common ejaculatory duct Levator ani than in old prostates.

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  • It is through this anterior border that the vessels and nerves enter and leave the gland.

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  • D, E, F, Trochosphere stage, D fp, Pore in the foot (belonging mf, The mantle-flap or limbus to the pedal gland?).

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  • It is frequently armed with spines, hooks or stylets, and is further complicated by the addition of a nutritive secretion (the prostate gland) which may open at its base or pass separately by a special duct to the exterior.

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  • (I) first antenna; (6) tergum; (2) compound (7) biramous eye; feet; (3) liver; (8) carina; (4) simple eye; (9) cement (5) scutum; gland.

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  • There is a gland on the back.

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  • Retiring to Denmark, he obtained military assistance from King Waldemar II., and a visit to E (gland procured monetary aid from King John, after which he ma aged to maintain his position in Brunswick.

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  • 1, Liver (digestive gland).

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  • gland, consisting of two lobes which are symmetrical in the young animals, but in the adult the right lobe is anterior and smaller.

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  • An ectodemic invagination forms a large mucous gland on the foot, which is more or less atrophied in adult life.

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  • contraction of muscle; it enormously delays the return from the contracted state, as also does epinephrin, an alkaloid extracted from the suprarenal gland.

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  • The secretion of milk, if occurring in the mammary gland, is much diminished or entirely arrested.

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  • The drug appears to have no influence upon the contractile cells that constitute muscle-fibre, any more than it has directly upon the secretory cells that constitute any gland.

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  • Most of these animals were of small size, and many had long upper canines, like those of the existing Hydrelaphus; while in all there was no depression for a gland in front of the eye.

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  • There is a tarsal, but no metatarsal gland and tuft.

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  • A slight change in the structure or activity of a gland, by altering the internal secretion, may produce widespread alterations even in an adult organism; and we have good reason to suppose that, if compatible with viability, such minute changes would have even a greater ultimate effect if they occurred in an embryo.

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  • W, wax-yielding surface, covering true gland; s, septem, or carina; wh, webbed hairs.

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  • Poison gland.

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  • In all these antelopes long cylindrical horns are present in both sexes; the muzzle is hairy; there is no gland below the eye; the tail is long and tufted; and in the breadth of their tall crowns the upper molar-teeth resemble those of the oxen.

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  • Extracts of supra-renal gland have been found useful.

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  • In the friction-clutch, a pulley loose on a shaft has a hoop or gland made to embrace it more or less tightly by means of a screw; this hoop has short projecting arms or ears.

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  • - anp, Anterior neural pore; be, rudiment of buccal skeleton; c, cilia; cb, ciliated band; cc, ciliated groove; cm, cilia at margin of mouth; gl, external opening of club-shaped gland; Hn, Hatschek's nephridium; lm, left metapleur; n, notochord; pp, praeoral pit; ps, primary gill-slits, I, 5, and 13; rm, right metapleur showing through.

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  • - a, Atrium; al, alimentary canal; y blood-vessel; cv, cerebral vesicle; df, dorsal section of myocoel (= fin spaces); e, " eyespot"; end, endostyle; gl, club-shaped gland; lm, edge of left metapleur; m, lower edge of mouth; n, notochord; nt, pigmented nerve tube; ps, primary gill-slits, I, 9, and 14; rc, renal cells on atrial floor; rm, edge of right metapleur; so, sense organ opening into praeoral pit; ss, thickenings, the rudiments of the row of secondary gill-slits.

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  • One point must not be omitted, namely, the homogeny of the endostyle of Amphioxus and the thyroid gland of Craniata.

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  • It is also found in the thymus gland of calves and in the spleen of cattle.

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  • The thyroid gland, which is situated in front of the neck, yields a secretion which passes into the blood and there tends to maintain a state of moderate dilatation in the blood-vessels and of oxidization in the tissues, so that the circulation remains good and the body-heat and muscular activity remain well maintained.

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  • When this gland becomes enlarged, and its secretion consequently increases, the vessels dilate, the heart beats more rapidly, the skin becomes too hot, the nervous system becomes irritable, and tremors occur in the limbs.

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  • Observations were made on the connexion between thyroid gland and myxoedema, which appeared to show that this disease was dependent upon atrophy of the gland.

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  • Accordingly the liquid extracts of the gland, or the gland substance itself compressed into tablets, have become largely used in the treatment of the disorder.

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  • Under the influence of thyroid gland these symptoms all disappear, and the patient is frequently restored to a normal condition.

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  • When the thyroid gland is absent in children, not only is the expression of the face dull and heavy as in the adult, but the growth both of body and mind is arrested, and the child remains a stunted idiot.

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  • The effect of thyroid gland in such cases is marvellous, the child growing in body and becoming healthy and intelligent.

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  • In the case of the thyroid the function of the gland appears to be to prepare a secretion which is poured out into the blood and alters tissue-change.

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  • At the same time other symptoms, such as exophthalmos, may appear, which have an independent origin and are not due to the secretion of the gland.

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  • The whole of the secretion here is poured into the blood and not at all on to a mucous surface, and herein the thyroid gland differs largely from such glands as the pancreas or peptic and intestinal glands.

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  • We do not know at present if any corresponding anti-toxin or antitrypsin, as we may term it, is returned into the lymphatics or blood from the gland, but the pancreas, which in addition to secreting trypsin secretes a diastatic ferment forming sugar from starch, pours this into the intestine and secretes at the same time a glycolytic ferment which breaks up sugar, and this latter passes into the blood by way of the lymphatics.

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  • Thus the gland not only breaks up starch into sugar in the intestine, but breaks up the sugar thus formed after it has been absorbed into the blood.

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  • This passes to the pancreas and causes increased secretion from that gland.

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  • During the early period of their sojourn in the pouch, the blind, naked, helpless young creatures (which in the great kangaroo scarcely exceed an inch in length) are attached by their mouths to the nipple of the mother, and are fed by milk injected into their stomach by the contraction of the muscle covering the mammary gland.

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  • The jackal, like the fox, has an offensive odour, due to the secretion of a gland at the base of the tail.

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  • Thus, in the Phyllopoda, the antennal gland develops early and is functional during a great part of the larval life, but it ultimately atrophies, and in the adult (as in most Entomostraca) the maxillary gland is the functional excretory organ.

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  • In the Decapoda, where the antennal gland alone is well-developed in the adult, the maxillary gland sometimes precedes it in the larva.

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  • In the Branchiopoda the maxillary gland is lodged in the thickness of the shell-fold (when this is present), and, from this circumstance, it often receives the somewhat misleading name of " shell-gland."

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  • In the Decapoda the antennal gland is largely developed and is known as the " green gland."

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  • The external duct of this gland is often dilated into a bladder, and may sometimes send out diverticula, forming a complex system of sinuses ramifying through the body.

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  • The green gland and the structures associated with it in Decapods were at one time regarded as constituting an auditory apparatus.

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  • - Lateral metacarpals as in Rangifer; antlers very variable in size, forming a marked angle with the plane of the face, without a brow-tine; when consisting of more than a simple prong, dichotomously forked, frequently with a subbasal snag, and always with the lower prong of the fork projected from the front edge of the beam, in @ome cases the lower, in others the upper, and in others both prongs again dividing; tail long; tarsal gland generally present; metatarsal gland very variable, both as regards presence and position; vomer dividing the inner aperture of the nostrils in the skull into two distinct chambers.

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  • - Antlers large and complex, without a sub-basal snag, and the upper prong more developed than the lower one; metatarsal gland absent; tail short; face moderately long; face-gland and gland-pit well developed; upper canines usually present in male.

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  • - Antlers small and simple, forming a single dichotomous fork; metatarsal gland absent; tail short; face moderately long; face-gland and gland-pit well developed; upper canines present in both sexes.

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  • - Antlers in the form of simple unbranched spikes; metatarsal, and in one case also the tarsal gland absent; tail very short; face elongated; face-gland small and gland-pit deep and triangular; hair of face radiating from two whorls; upper canines sometimes present in old males.

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  • - Hair coarse and brittle; upper canines of male very long; no tarsal or metatarsal glands or tufts; lateral metacarpals represented by their lower extremities; lateral hoofs very large; tail very short; naked portion of muzzle extensive; male with a large abdominal gland.

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  • Packed in among these are gland cells, sense cells, and cnidoblasts.

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  • The endoderm contains in addition gland cells and nervous elements.

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  • 2.-I, Portion of epithelium from the tentacle of an Actinian, showing three supporting cells and one sense cell (sc); 2, a cnidoblast with enclosed nematocyst from the same specimen; 3 and 4, two forms of gland cell from the stomodaeum; 5a, 5b, epithelio-muscular cells from the tentacle in different states of contraction; 5c, an epithelio-muscular cell from the endoderm, containing a symbiotic zooxanthella; 6, a ganglion cell from the ectoderm of the peristome.

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  • The remains of the original genital gland within the theca became the "axial organ" surrounded by the "axial sinus" derived from the anterior coelom, and this again by structures derived from the right posterior coelom, which, as explained above, had been depressed to the aboral pole.

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  • The question of the kings divorce soon became inextricably confused with another problem, whose first beginnings go back En,gland to a slightly earlier date.

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  • Etymologically, however, that designation cannot be justified; for it is of hybrid (Latin and Greek) origin, and is equivalent to " mastology," the science which deals with the mammary gland (Gr.

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  • A perforated spur, with a special secreting gland in connexion with it, is found attached to each hind-leg of the males of the existing species of Monotremata.

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  • Mammary Gland >>

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  • The submaxillary gland is of very similar texture to the last, but much smaller; it is placed deeper, and lies with its main axis horizontal.

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  • The eye is provided with a nictitating membrane or third eyelid, at the base of which open the ducts of the Harderian gland.

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  • swelling at base of jaws; L, lips; M, mouth; or.p, oral papillae; o.s, opening of salivary gland.

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  • A and feet with two primary papillae on the anterior side and one on the posterior side; outer jaw with one minor tooth at the base of the main tooth, inner jaw with no interval between the large tooth and the series of small ones; last fully developed leg of the male with enlarged crural gland opening on a large papilla placed on its ventral surface; coxal organs absent; the nephridial openings of the 4th and 5th pairs of legs are placed in the proximal spinous pad.

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  • Last leg of the male with or without a large white papilla on its ventral surface for the opening of a gland, and marked papillae for the, crural glands are sometimes present on other legs of the male; well-developed coxal glands absent.

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  • In common with the other monotremes, the male echidna has its heel provided with a sharp hollow spur, connected with a secreting gland, and with muscles capable of pressing the secretion from the gland into the spur.

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  • In orchids each of the pollen-masses has a prolongation or stalk (caudicle) which adheres to a prolongation at the base of the anther (rostellum) by means of a viscid gland (retinaculum) which is either naked or covered.

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  • caudicular appendage, ending in a common gland, by means of which they are attached to a process of the stigma.

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  • - Capitate gland on the cupule of Lagenostoma Lomaxii.

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  • - Capitate Gland on the Petiole of Lyginodendron oldhamium.

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  • In the typical newts (Molge) of Europe, the males are adorned during the breeding season with bright colours and crests or other ornamental dermal appendages, and, resorting to the water, they engage in a lengthy courtship accompanied by lively evolutions around the females, near which they deposit their spermatozoa in bundles on a gelatinous mass, the spermatophore, probably secreted by the cloacal gland.

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  • Substances obtained from animals include gland secretions, pepsin and other ferments, musk, cod-liver oil, &c., and to these may be added various antitoxins.

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  • Iodine has a special interest, as it is a necessary constituent of food, and is present in the secretion of the thyroid gland.

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  • - Of these the thyroid gland, the suprarenal bodies, the spleen, the bile, the bone marrow, the ovaries and some others have been investigated fully.

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  • The allied Argentine Onohippidium, which is also Pleistocene, has still longer nasal bones and slits, and a deep double cavity in front of the orbit, part of which probably contained a gland.

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  • The skull, which is relatively short, has a large depression in front of the orbit, commonly supposed to have contained a gland, but this may be doubtful.

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  • acinuses include antral follicle, mammary gland acini, oocyte & follicular cells, oviduct, placenta and primordial follicle.

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  • The hormone ACTH is naturally produced by the body from the head hormone gland called the pituitary.

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  • The pituitary gland is invaded with a slow growing cancer called an adenoma.

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  • We report a case of Brunner's gland adenoma in which the patient presented with major gastrointestinal bleeding.

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  • The outer part of the adrenal gland is the adrenal cortex which makes three main hormones called steroids.

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  • PROCEDURE: A 4-year-old male underwent PRT for neuroblastoma of the right adrenal gland, following chemotherapy and delayed surgical resection.

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  • I have also had a Pheochromocytoma and had my left adrenal gland removed nearly two years ago.

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  • The release of CRH triggers the pituitary gland's discharge of adrenocorticotropic hormone, which in turn stimulates the adrenal gland to secrete cortisol.

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  • It is also the starting material from which steroid hormones are made by the adrenal gland.

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  • adrenocorticotropic hormone, which in turn stimulates the adrenal gland to secrete cortisol.

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  • Pulmonary System Limited numbers of gland in upper airways.

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  • The excess secretion of the hormone aldosterone into the blood is from an abnormal adrenal gland or glands.

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  • The use of Tegretol with other anticonvulsants may change thyroid gland function.

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  • autoimmune hypothyroidism, antibodies destroy thyroid gland cells preventing the gland from being able to release normal amounts of thyroid hormones.

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  • The options for eliminating risk of gland leakage is to use bellows sealed valves.

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  • benign salivary gland neoplasm.

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  • For example, a common cause of tear lipid deficiency is meibomian gland dysfunction secondary to staphylococcal blepharitis.

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  • brain activated during an infection e.g. pituitary gland secreting hormones during an infection.

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  • byssus gland in the foot, as is the case with mussels.

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  • calcifyniopharyngioma is made of solid tissue, cysts and calcified nodules and occupies the space within and above the pituitary gland.

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  • cavernous haemangioma affecting the submandibular salivary gland in an adult woman is presented.

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  • chemical substance that is produced in a special tissue within a gland.

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  • Oxytocin A hormone, produced by the pituitary gland, which stimulates contraction of the uterus.

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    0
  • The outer part of the adrenal gland is the adrenal cortex which makes three main hormones called steroids.

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    0
  • The pituitary gland regulates adrenal cortisol production by responding to the amount of cortisol production by responding to the amount of cortisol in the blood.

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    0
  • cryotherapy for early prostate cancer, confined to the prostate gland.

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  • Options for treatment if it gets too large might include diathermy, laser treatment, surgery or drugs to shrink the gland.

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  • ducts of the gland must be distinguished from the facial nerve.

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  • endocrine gland located just under the Adam's apple in the throat.

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  • enlargement of the thyroid gland.

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    0
  • In addition, studies have revealed that red clover isoflavones can also help combat benign prostatic hyperplasia enlargement of the prostate gland.

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  • This poison fang is supplied with venom from a gland in the head.

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  • fictive swimming can be stopped by pressure to the head skin or cement gland.

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  • follicle Stimulating Hormone FSH is produced by the pituitary gland and acts on the ovaries to stimulate follicle growth.

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  • By doing so the ovaries communicate back to the pituitary gland that the egg follicles have been stimulated and FSH production slows down.

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  • male genitals are the penis, testes (in the scrotum) prostate gland and the ducts.

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  • A. The pancreas is a long secreting gland situated at the back of the abdomen, adjacent to the stomach.

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  • They also stimulate the thyroid gland, which plays an important role in the processes of growth.

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    0
  • The pituitary gland is a gland found at the back of our heads toward the bottom of the brain.

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    0
  • The thyroid gland is situated at the base of the throat.

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    0
  • The mammary gland however, exhibits profound developmental cycling in the adult.

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    0
  • The free radical fighting abilities of melatonin - a natural hormone produced by the pineal gland in your brain - are well known.

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  • gland adenoma in which the patient presented with major gastrointestinal bleeding.

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  • gland neoplasm.

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    0
  • gland tumors in our setup.

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  • gland secretions of leaf-cutting ants: role in defense against alien fungi.

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  • Only a part of the prostate gland - not the whole gland is removed, in order to relieve urinary symptoms.

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    0
  • All of them are derived from the bone marrow but T cells undergo a process of maturation in the thymus gland.

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    0
  • sweat is produced from the sweat gland, reaching the skin surface through the pores.

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    0
  • This hormone is secreted by the pituitary gland and monitored by thyrotropin-releasing hormone (TRH ), which is produced in the hypothalamus gland.

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  • glucagons test checks how effectively the pituitary gland is regulating the release of GH and cortisol.

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    0
  • hemangioma of the accessory parotid gland in an infant.

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    0
  • histology Atlas of the mouse mammary gland.

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  • Luteinising hormone (LH) is produced by the pituitary gland in the brain.

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    0
  • It is also the starting material from which steroid hormones are made by the adrenal gland.

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    0
  • Within the brain, the hypothalamus produces gonadotrophin-releasing hormone (GnRH) which is secreted into the pituitary gland (1 ).

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    0
  • There was a clear dose related increase in parathyroid gland hyperplasia from the lowest dose 400 ppm.

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  • The sort of diseases included myocardial hypertrophy, inflammatory bowel disease, thyroid gland problems and allergy.

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    0
  • It is used in a higher dose to reduce the size of the prostate gland in men with benign prostatic hypertrophy.

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    0
  • They are controlled by the pituitary gland, which is controlled by the hypothalamus.

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    0
  • In autoimmune hypothyroidism, antibodies destroy thyroid gland cells preventing the gland from being able to release normal amounts of thyroid hormones.

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    0
  • illness with fever, lymph gland swelling and rash.

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    0
  • involution of the mammary gland is a complex process of controlled apoptosis and tissue remodeling.

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    0
  • iodine in the diet causes the thyroid gland to produce excessive amounts of thyroid hormones.

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    0
  • Checking for the presence of radioactive iodine in the thyroid gland.

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    0
  • lachrymal gland?

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    0
  • lacrimal gland which is underneath the upper eyelid.

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    0
  • lipase values may occur in other conditions such as kidney disease, salivary gland inflammation, or peptic ulcer disease.

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  • lobes of the thyroid gland.

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    0
  • Sometimes half of the gland has to be removed (thyroid lobectomy) or the whole gland can be removed (total thyroidectomy ).

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  • magneto bell on both telephones passes through a watertight gland on the top of the casing.

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    0
  • mammary gland is like a modified sweat gland.

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    0
  • The inside layer of the adrenal gland is called the adrenal medulla.

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    0
  • The badger has a special opening (called a gland) under its tail, which produces a smelly liquid called musk.

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    0
  • musk gland.

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    0
  • thyroid nodules are lumps which can develop in the thyroid gland.

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    0
  • BPH is a non-malignant disease of the prostate which may lead to gland enlargement that can cause prostatic obstruction.

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    0
  • Proper lubrication of the gland packing requires a certain leakage rate.

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    0
  • pancreas gland in the abdomen.

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    0
  • pancreatitis results in severe inflammation of the gland and patients may be seriously unwell.

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    0
  • parathyroid glands are four small oval bodies located on each corner of the thyroid gland.

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    0
  • parotid gland tumor.

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    0
  • None of the tumors was localized exclusively to the parotid gland, so the primary site was referred to as the " parotid region.

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    0
  • In the stomach, the gastric gland produces gastric juices that contain the enzyme pepsin that breaks down proteins.

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    0
  • pineal gland is directly affected by bright light.

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    0
  • Hormonal effects can be caused either by damage to the pituitary gland itself or to the hypothalamus, which controls the pituitary.

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    0
  • pituitary gland is a gland found at the back of our heads toward the bottom of the brain.

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    0
  • Electron microscopy experiments have been carried out on sections of rat pituitary gland.

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    0
  • This gland secretes porphyrins (red tears) in response to stress.

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    0
  • preen gland disease is not associated with any particular feather type.

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    0
  • When present these are usually due to a small (2mm) tumor that is secreting excess prolactin in the pituitary gland.

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    0
  • prostate gland - not the whole gland is removed, in order to relieve urinary symptoms.

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    0
  • Surgery - in an operation called a prostatectomy, the whole prostate gland is removed.

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    0
  • For an open prostatectomy, access to the prostate gland is gained through an incision in the lower abdomen.

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    0
  • Putting on the brakes PSA is a protein that's naturally produced by the prostate gland.

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    0
  • PSA is a substance made by the prostate gland, which naturally leaks into the bloodstream.

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    0
  • Radical prostatectomy is surgery to remove the prostate gland.

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    0
  • Advantages Hormone therapy shrinks the prostate gland and can be used to reduce the size of the gland before brachytherapy.

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    0
  • There are three main conditions that can affect the prostate gland.

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    0
  • Continuing on aspirin could cause the prostate gland to bleed excessively at the time of implant which could compromise the success of the treatment.

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    0
  • Antihistamines can make certain conditions worse, such as glaucoma and enlarged prostate gland.

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    0
  • prostate gland cancer.

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    0
  • prostate gland cells which can develop into an uncontrolled growth of cells.

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    0
  • prostate gland in an adult man is about the size of a walnut.

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    0
  • This is in direct contrast to acute bacterial prostatitis where the severe inflammation means antibiotics can easily get into the middle of the gland.

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    0
  • radioactive iodine builds up in the thyroid gland.

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    0
  • These include the rectum, which is directly behind the prostate gland, and the bladder, lying on top of the gland.

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    0
  • salivary gland neoplasm.

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    0
  • salivary gland tumors in our setup.

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    0
  • In 1882, he published his first book scrofula and its Gland Diseases.

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    0
  • sebaceous gland hyperplasia - single or multiple yellowish papules on the face, more common in people who are chronically immunocompromised.

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  • The key, he believes, is insulin, a hormone secreted by the pancreas gland.

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    0
  • The prostate gland produces semen, the fluid that transports sperm from a man's body during orgasm.

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    0
  • Pressure to the cement gland excites trigeminal sensory neurons.

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  • serous gland.

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    0
  • splenic artery supplies the remainder of the gland.

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    0
  • The portal vessels run down the pituitary stalk (infundibulum) to arrive at the pituitary gland.

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  • The leaf stalks are up to 5 cm long with 2 large gland s at the leaf end.

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  • steroid hormones are made by the adrenal gland.

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    0
  • All malignant salivary gland tumors expressed similar intense HA in tumor stroma.

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    0
  • sublingual gland - majority of the glands are mucous secreting.

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  • submaxillary gland.

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    0
  • A hormone is a chemical substance that is produced in a special tissue within a gland.

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    0
  • Note the two suckers, the ventral sucker near the genital pore, and the oral sucker near the oesophageal gland.

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    0
  • suprarenal gland.

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    0
  • sweat is produced from the sweat gland, reaching the skin surface through the pores.

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    0
  • Only a part of the prostate gland - not the whole gland is removed, in order to relieve urinary symptoms.

    0
    0
  • thymus gland, which is located in your upper chest.

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    0
  • thyroid gland is situated at the base of the throat.

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    0
  • Thyroid nodules are lumps which can develop in the thyroid nodules are lumps which can develop in the thyroid gland.

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    0
  • Thyroid gland This gland in the neck produces the hormone thyroxine, which helps to regulate the body's energy levels.

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    0
  • If the TSH level is high this means that you are not having adequate thyroxine to allow for your underactive thyroid gland.

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    0
  • Transrectal ultrasound - this is used to examine the prostate gland in men.

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    0
  • The hormone insulin, secreted by the pancreas gland within the abdomen, controls this action of cell glucose uptake.

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    0
  • The gland surrounds the urethra which carries urine flow from the bladder.

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    0
  • venom gland from a parasitic wasp.

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    0
  • The pineal gland is a tiny structure located at the back of the roof of the third ventricle of the brain.

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    0
  • A gland and tuft are present on the skin of the outer side of the upper part of the hind cannon-bone; but, unlike American deer, there is no gland on the inner side of the hock.

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    0
  • This is the so-called c narion, or pineal gland, where in a minimized point the mind on one hand and the vital spirits on the other meet and communicate.

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    0
  • In that gland the mystery of creation is concentrated; thought meets extension and directs it; extension moves towards thought and is perceived.

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  • Mind, driven from the field of extension, erects its last fortress in the pineal gland.

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    0
  • On one hand the animal spirits " reflected " 2 from the image formed on the pineal gland proceed through the nervous tubes to make the muscles turn the back and lift the feet, so as to escape the cause of the terror.

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  • But, on the other hand, the vital spirits cause a movement in the gland by which the mind perceives the affection of the organs, learns that something is to be loved or hated, admired or shunned.

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    0
  • The stomach has a cardiac gland, and the number of teats is two.

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    0
  • The tail is long and in some cases prehensile; the first hind-toe may be either large, small or absent; the dentition usually includes three pairs of upper and one of lower incisors, and six or seven pairs of cheekteeth in each jaw; the stomach is either simple or sadculated, without a cardiac gland; and there are four teats.

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  • e, Gland.

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    0
  • B, Digestive gland from interior A, B, and C magnified about of pitcher, in pocket-like deI oo diameters.

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    0
  • The pneumato phore arises from the ectoderm as a pit or invagination, part of which forms a gas-secreting gland, while the rest gives rise to an air-sack lined by a chitinous cuticle.

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    0
  • Haeckel regards it as the equivalent of the manubrium, and as it is implanted on the blind end of the pneumatophore, such a view leads necessarily to the air-sack and gland being a development on the ex-umbral surface of the medusa-person.

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    0
  • In addition to these lines, all tadpoles show more or less distinctly a small whitish gland in the middle of the head between the eyes, the so-called frontal gland or pineal gland, which in early stages is connected with the brain.

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    0
  • In 1898 it was conclusively shown in Italy that if a mosquito E of the Anopheles variety bites a person suffering from malaria, and is kept long enough for the parasite to develop in the salivary gland, and is then allowed to bite a healthy person, the latter will in due time develop malaria.

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    0
  • Moreover, the pollen, instead of consisting of separate cells or grains, consists of cells aggregated into "pollen-masses," the number varying in different genera, but very generally two, four, or eight, and in many of the genera provided at the base with a strap-shaped stalk or "caudicle" ending in a flattish gland or "viscid disk" like a boy's sucker.

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    0
  • This c and common cross fertilization is often effected by the gland g.

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    0
  • This column stands up from the base of the flower, almost at right angles to the lip, and it bears at the top an anther, in the two hollow lobes of which are concealed the two pollen-masses, each with its caudicle terminating below in a roundish gland, concealed at first in the pouch-like rostellum at the front of the column.

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    0
  • Liberated from the anthers, these adhere to the head or back of the insect by means of the sticky gland at the bottom of the caudicle (fig.

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    0
  • While the oviducts always open directly on to the exterior, it is the rule for the sperm ducts to open on to the exterior near to or through certain terminal chambers, which have been variously termed atrium and prostate, or spermiducal gland.

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    0
  • The essential feature of the asymmetry of Gastropoda is the atrophy or disappearance of the primitively left half of the circumanal complex (the right half in sinistral forms), including the gill, the auricle, the osphradium, the hypobranchial gland and the kidney.

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    0
  • t, Salivary gland.

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    0
  • Two pairs of salivary ducts, each leading from a salivary gland, open into the buccal chamber.

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    0
  • y, Adrectal (purpuriparous) gland.

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    0
  • The enlarged glandular structure of the walls of the rectum is frequent in the Pectinibranchia, as is also though not universal the gland marked y, next to the rectum.

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    0
  • It is the adrectal gland, and in the genera Murex and Purpura secretes a colourless liquid which turns purple upon exposure to the atmosphere, and was used by the ancients as a dye.

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    0
  • 48), Cephalopoda parous gland.

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    0
  • This organ is probably homologous with the byssogenous gland of Lamellibranchs.

    0
    0
  • Cunningham that in Buccinum the egg-capsules are formed by this pedal gland and not by any accessory organ of the generative system.

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    0
  • Fusus, Pyrula, Purpura, Murex, Nassa, Trophon, Voluta, &c. The float of the pelagic Janthina, to which the egg-capsules are attached, probably is also formed by the secretion of the pedal gland.

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    0
  • Other glands opening on or near the foot are: (I) The suprapedal gland opening in the middle line between the snout and the anterior border of the foot.

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    0
  • B, Sole of the foot of Pyrula tuba, to show a, the pore usually said to be " aquiferous " but probably the orifice of a gland; b, median line of foot.

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    0
  • forms and in terrestrial genera such as Cyclostoma; (2) the anterior pedal gland opening into the anterior groove of the foot, generally present in aquatic species; (3) dorsal posterior mucous glands in certain Cyclostomatidae.

    0
    0
  • This is clearly the same process in essence as that of the formation of a vitellogenous gland from part of the primitive ovary, or of the feeding of an ovarian egg by the absorption of neighbouring potential eggs; but here the period at which the sacrifice of one egg to another takes place is somewhat late.

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    0
  • is close to the salivary gland.

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    0
  • To the right of Spengel's osphradium is the opening of a peculiar gland which has, when dissected out, the form of a bunch of grapes; its secretion is said to be poisonous.

    0
    0
  • In the hinder part of the foot (not shown in any of the diagrams) is the opening of a large mucusforming gland very often found in the Molluscan foot.

    0
    0
  • The kidney has similar relations in both species, and is identical with the organ spoken of by many authors as the triangular gland.

    0
    0
  • On examination this is found to be the under surface of the posterior limb of the gland, the upper surface of which has just been described as lying beneath the shell.

    0
    0
  • Thus the base of the gill passes in a slanting direction across the right-hand side of the kidney, the posterior end being dorsal to the apex of the gland, and the anterior end ventral to the right-hand corner.

    0
    0
  • g, Albuminiparous gland.

    0
    0
  • k, Opening of the albuphrodite duct, which very soon becomes miniparous gland into P Y the hermaphrodite entwined in the spire of a gland - the duct.

    0
    0
  • albuminiparous gland.

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    0
  • Orifice of the grape-shaped (supposed poisonous) gland.

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    0
  • (From Owen.) of the liver or great digestive gland is found in the scorpions, where the axial portion of the digestive canal is short and straight, and the lateral ducts sufficiently wide to admit food into the ramifications of the gland there to be digested; whilst in the spiders the gland is reduced to a series of simple caeca.

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    0
  • From the ovo-testis, which lies near the apex of the visceral coil, a common hermaphrodite duct ve proceeds, which receives the duct of the compact white albuminiparous gland, Ed, and then becomes much enlarged, the additional width being due to the development of glandular folds, which are regarded as forming a uterus u.

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    0
  • This second duct has normally no spermathecal gland at its termination, which is simple and blunt.

    0
    0
  • Ed, Albuminiparous gland.

    0
    0
  • Calciferous gland or dart-sac on the female duct.

    0
    0
  • The musky odour from which it derives its name is due to the secretion of a large gland situated in the inguinal region, and present in both sexes.

    0
    0
  • The musky odour from which the animal takes its name does not appear to be due to the secretion of any gland.

    0
    0
  • By analogy, acinus is applied in anatomy to similar granules or glands, or lobules of a gland.

    0
    0
  • kidneys, pancreas and the thyroid gland, also in muscle-plasma; " crystalline," a globulin occurring in two forms a and /3, is found in the lens of the eye; " egg-globulin " and " lactoglobulin " occur respectively in the white of egg and in milk.

    0
    0
  • Kossel) they give rise to important cell constituents - haemoglobin, nucleo-proteids, &c. " Thymus histone " occurs in the thymus gland; globin occurs in combination as haemoglobin; other histones have been extracted from the red blood corpuscles of the goose and the testes of fishes and other animals.

    0
    0
  • Ichthulin (see above) may be placed in this group; " helico-proteid," found in the serous gland of Helix pomatia, the vineyard snail, also belongs here.

    0
    0
  • In 1900 it was shown that the coxal gland of Limulus is provided with a very delicate thin-walled coiled duct which opens, even in the adult condition, by a minute pore on the coxa of the fifth leg (Patten and Hazen, 13A).

    0
    0
  • Previously to this, Lankester's pupil Gulland had shown (1885) that in the embryo the coxal gland is a comparatively simple tube, which opens to the exterior in this position and by its other extremity into a coelomic space.

    0
    0
  • Similar observations were made by Laurie (17) in Lankester's laboratory (1890) with regard to the early condition of the coxal gland of Scorpio, and by Bertkau (41) as to that of the spider Atypus.

    0
    0
  • The name " coxal gland " needs to be carefully distinguished from " crural gland," with which it is apt to be confused.

    0
    0
  • A, prosomatic gastric gland (sometimes called salivary).

    0
    0
  • B, Coxal gland.

    0
    0
  • - The right coxal gland of Limulus polyphemus, Latr.

    0
    0
  • b, Longitudinal lobe or stolon of the coxal gland.

    0
    0
  • - Appendages of 1st pair bisegmented, without poison gland; of 2nd pair prehensile, their basal segments underlying the proboscis, and furnished with sterno 1 to i 1, Somites of the opisthosoma (mesosoma plus metasoma).

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  • Appendages of 1st pair have two segments, as in Pedipalpi, but are furnished with poison gland, and are retroverts.

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  • The " retrovert " or bent-back first pair of appendages is provided with a poison gland opening on the fang or terminal segment.

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  • Under side of the uplifted genital or first opisthosomatic somite of the female; g, genital aperture; p, pitted plate, probably a gland for the secretion of adhesive material for the eggs; 1, the edges of the lamellae of the lung-books of the first pair.

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  • Appendages of 1st pair consisting of three segments, completely chelate, without poison gland; of 2nd pair slender, leg-like, tipped with three claws, the basal segment without sterno-coxal process taking no share in mastication, and widely separated from its fellow of the opposite side; 3rd, 4th, 5th and 6th appendages similar in form to the 2nd and to each other.

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  • Orifice of coxal gland situated just behind that of the foetid gland.

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  • Orifice of coxal gland situated between the coxae of the 5th and 6th appendages.

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  • Orifice of coxal gland probably situated at base of coxa of 5th appendage; sternal plate of prosoma minute or absent; no prosternal element underlying the mouth.

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  • The gland evidently excretes, or at any rate gets rid of, a certain waste product of a proteid nature, which otherwise tends to accumulate in the tissues and to excite certain nervous and tissue phenomena.

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  • The gland is supposed to secrete a ferment, which, being absorbed into the portal circulation, breaks up a certain portion at least of the grape-sugar contained in the portal blood, and so prevents this overflowing into the circulation in general.

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  • A salivary gland degenerates when its nerve-supply is cut off; and the nerves leading up to the symmetrical sloughs in Raynaud's disease have been found in an advanced state of degeneration (Affleck and Wiglesworth).

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  • The functions of the thymus gland begin to cease after the second year from birth.

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  • The gland then slowly shrinks and undergoes absorption.

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  • Should this take place into a closed gland space it will give rise to cysts, which may attain a great size, as is seen in the ovarian adenomata.

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  • These changes are found in senile wasting, in metaplasia of cartilage, in many tumours, especially mixed growths of the parotid gland and testicle, and in various inflammatory granulation ulcers.

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  • In the wasting of the thyroid gland in myxoedema, or when the gland is completely removed by operation, myxomatous areas are found in the subcutaneous tissue of the skin, nerve-sheaths, &c.

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  • in the mammary gland during lactation or in sebaceous glands, caused by increased functional activity.

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  • It may follow a diminished functional activity, as in the atrophying thymus gland' and in the muscle cells of the uterus after parturition.

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  • - Thyroid gland - cystic goitre.

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  • The gland spaces vary in size and many may show marked cystic formation.

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  • trans., London, 1894); Heidenhain, " Action of Poisons on Nerves of Submaxillary Gland," Arch.

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  • trans., London, 1893); Notkin, " Nature of Colloid in Thyroid Gland," Arch.

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  • Hippocrates had no opportunity of verification by necropsy, and Sydenham ignored pathology; yet the clinical features of many but recently described diseases, such, for example, as that named after Graves, and myxoedema, both associated with perversions of the thyroid gland, lay as open to the eye of physicians in the past as to our own.

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  • ov., ovaries; sh.g., shell gland; y.g., yolk gland; r.s., receptaculum seminis; ut., uterus; X 7.

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  • cuticle; b, basal membrane; c, outer circular muscles; d, epidermal cells depressed below the surface usually occupied by them in other animals; e, gland cell; f, " flamecell " (the reference line stops a little short); g, outer longitudinal muscles; h, a calcareous corpuscle; i, dorso-ventral muscles; j, a " parenchyma " cell (probably nervous); k, nerveplexus; 1, excretory vessel giving off capillaries ending in flamecells; m, a sense-cell; n, a muscle-cell; o, ending of the same; p, ending of sense-cell; q, opening of gland-cell; r, superficial cuticle.

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  • The uterus (X in figure C) begins in all cases at the shell gland (c, d) and may exhibit a swelling (R S) for the retention of the spermatozoa..

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  • C, genital sinus and neighbouring parts (from Sommer); a, ventral sucker; b, cirrus sac; c, genital pore; d, evaginated cirrus sac: e, end of vagina; f, vasa deferentia; g, vesicula seminalis; h, ductus ejaculatorius; i, accessory gland.

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  • This spur, which attains the length of nearly an inch, is traversed by a minute canal, terminating in a fine longitudinal slit near the point, and connected at its base with the duct of a large gland situated at the back part of the thigh.

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  • The acid gland consists of one, two or more tubes, with a cellular coat of several layers, opening into a reservoir whence the duct leads to the exterior.

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  • The alkaline gland is an irregular tube with a single cellular layer, its duct opening alongside that of the acid reservoir.

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  • In the third generation Caspar Thomeson (1655-1738), son of Thomas, also taught anatomy at Copenhagen, his name being associated with the description of one of the ducts of the sublingual gland and of the glandulae Bartholini, while his younger brother, Thomas (16J9-1690), was a student of northern antiquities who published Antiquitatum Danicarum libri tres in 1689.

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  • a X yew), the fluid secreted by the mammary glands of the division of vertebrate animals called Mammalia (see Mammary Gland), and primarily devised for the nourishment of their own young.

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  • The foot has a byssus gland on its posterior surface.

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  • jecur), in anatomy, a large reddish-brown digestive gland situated in the upper and right part of the abdominal cavity.

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  • A pair of large glandular outgrowths, the so-called " liver " or great digestive gland, exists as in other Molluscs.

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  • In many Lamellibranchs a gland is found on the hinder surface of the foot in the mid line, which secretes a substance which sets into the form of threads - the so-called " byssus " - by means of which the animal can fix itself.

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  • Sometimes this gland is found in the young and not in the adult (Anodonta, Unio, Cyclas).

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  • The left inner gill-plate is also snipped to show the subjacent orifices of the left renal organ x, and of the genital gland (testis or ovary) y.

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  • In Arca too and many others it carries a byssus-forming gland and a byssuscementing gland.

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  • In them the foot has a flat ventral surface used for creeping, as in Gastropods, the byssus gland is but slightly developed, the pleural ganglia are distinct, there is a relic of the pharyngeal cavity, in some forms with a pair of glandular sacs, the gonads retain their primitive connexion with the renal cavities, and the otocysts are open.

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  • In the allied genus Cyclas, a byssus gland is formed in the foot and subsequently disappears, but no such gland occurs in Pisidium.

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  • In addition to the characters given above, it may be noted that the mantle is provided with a hypobranchial gland on the outer side of each gill, the auricles are muscular, the kidneys are glandular through their whole length, the sexes are separate.

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  • The special gland of the musk-deer, which has made the animal so well known, and has proved the cause of unremitting persecution to its possessor, is found in the male only, and is a sac about the size of a small orange, situated beneath the skin of the abdomen, the orifice being immediately in front of the preputial aperture.

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  • As each genital gland enlarges it remains attached to the rest of the intermediate cell mass by a constricted fold of the coelomic membrane, known as the mesorchium in the male, and the mesovarium in the female.

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  • Sexual gland.

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  • In the anterior part of the gland are seen bundles of striped muscle fibres, which are of interest when the comparative ana Ampulla of vas deferens tomy of the gland Cut end of great sacrois studied: they are 1 sciatic ligament Common ejaculatory duct Levator ani than in old prostates.

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  • It is about an inch and a quarter long, and in the middle of the gland it bends forward forming an angle (see fig.

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  • It is through this anterior border that the vessels and nerves enter and leave the gland.

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  • D, E, F, Trochosphere stage, D fp, Pore in the foot (belonging mf, The mantle-flap or limbus to the pedal gland?).

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  • It is frequently armed with spines, hooks or stylets, and is further complicated by the addition of a nutritive secretion (the prostate gland) which may open at its base or pass separately by a special duct to the exterior.

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  • (I) first antenna; (6) tergum; (2) compound (7) biramous eye; feet; (3) liver; (8) carina; (4) simple eye; (9) cement (5) scutum; gland.

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  • There is a gland on the back.

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  • Retiring to Denmark, he obtained military assistance from King Waldemar II., and a visit to E (gland procured monetary aid from King John, after which he ma aged to maintain his position in Brunswick.

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  • 1, Liver (digestive gland).

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  • gland, consisting of two lobes which are symmetrical in the young animals, but in the adult the right lobe is anterior and smaller.

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  • An ectodemic invagination forms a large mucous gland on the foot, which is more or less atrophied in adult life.

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  • contraction of muscle; it enormously delays the return from the contracted state, as also does epinephrin, an alkaloid extracted from the suprarenal gland.

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  • The secretion of milk, if occurring in the mammary gland, is much diminished or entirely arrested.

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  • The drug appears to have no influence upon the contractile cells that constitute muscle-fibre, any more than it has directly upon the secretory cells that constitute any gland.

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  • Most of these animals were of small size, and many had long upper canines, like those of the existing Hydrelaphus; while in all there was no depression for a gland in front of the eye.

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  • There is a tarsal, but no metatarsal gland and tuft.

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  • A slight change in the structure or activity of a gland, by altering the internal secretion, may produce widespread alterations even in an adult organism; and we have good reason to suppose that, if compatible with viability, such minute changes would have even a greater ultimate effect if they occurred in an embryo.

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  • W, wax-yielding surface, covering true gland; s, septem, or carina; wh, webbed hairs.

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  • Poison gland.

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  • In all these antelopes long cylindrical horns are present in both sexes; the muzzle is hairy; there is no gland below the eye; the tail is long and tufted; and in the breadth of their tall crowns the upper molar-teeth resemble those of the oxen.

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  • Extracts of supra-renal gland have been found useful.

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  • In the friction-clutch, a pulley loose on a shaft has a hoop or gland made to embrace it more or less tightly by means of a screw; this hoop has short projecting arms or ears.

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  • - anp, Anterior neural pore; be, rudiment of buccal skeleton; c, cilia; cb, ciliated band; cc, ciliated groove; cm, cilia at margin of mouth; gl, external opening of club-shaped gland; Hn, Hatschek's nephridium; lm, left metapleur; n, notochord; pp, praeoral pit; ps, primary gill-slits, I, 5, and 13; rm, right metapleur showing through.

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  • - a, Atrium; al, alimentary canal; y blood-vessel; cv, cerebral vesicle; df, dorsal section of myocoel (= fin spaces); e, " eyespot"; end, endostyle; gl, club-shaped gland; lm, edge of left metapleur; m, lower edge of mouth; n, notochord; nt, pigmented nerve tube; ps, primary gill-slits, I, 9, and 14; rc, renal cells on atrial floor; rm, edge of right metapleur; so, sense organ opening into praeoral pit; ss, thickenings, the rudiments of the row of secondary gill-slits.

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  • One point must not be omitted, namely, the homogeny of the endostyle of Amphioxus and the thyroid gland of Craniata.

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  • It is also found in the thymus gland of calves and in the spleen of cattle.

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  • The thyroid gland, which is situated in front of the neck, yields a secretion which passes into the blood and there tends to maintain a state of moderate dilatation in the blood-vessels and of oxidization in the tissues, so that the circulation remains good and the body-heat and muscular activity remain well maintained.

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  • When this gland becomes enlarged, and its secretion consequently increases, the vessels dilate, the heart beats more rapidly, the skin becomes too hot, the nervous system becomes irritable, and tremors occur in the limbs.

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  • Observations were made on the connexion between thyroid gland and myxoedema, which appeared to show that this disease was dependent upon atrophy of the gland.

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  • Accordingly the liquid extracts of the gland, or the gland substance itself compressed into tablets, have become largely used in the treatment of the disorder.

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  • Under the influence of thyroid gland these symptoms all disappear, and the patient is frequently restored to a normal condition.

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  • When the thyroid gland is absent in children, not only is the expression of the face dull and heavy as in the adult, but the growth both of body and mind is arrested, and the child remains a stunted idiot.

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  • The effect of thyroid gland in such cases is marvellous, the child growing in body and becoming healthy and intelligent.

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  • In the case of the thyroid the function of the gland appears to be to prepare a secretion which is poured out into the blood and alters tissue-change.

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  • At the same time other symptoms, such as exophthalmos, may appear, which have an independent origin and are not due to the secretion of the gland.

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  • The whole of the secretion here is poured into the blood and not at all on to a mucous surface, and herein the thyroid gland differs largely from such glands as the pancreas or peptic and intestinal glands.

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  • We do not know at present if any corresponding anti-toxin or antitrypsin, as we may term it, is returned into the lymphatics or blood from the gland, but the pancreas, which in addition to secreting trypsin secretes a diastatic ferment forming sugar from starch, pours this into the intestine and secretes at the same time a glycolytic ferment which breaks up sugar, and this latter passes into the blood by way of the lymphatics.

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  • Thus the gland not only breaks up starch into sugar in the intestine, but breaks up the sugar thus formed after it has been absorbed into the blood.

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  • This passes to the pancreas and causes increased secretion from that gland.

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  • During the early period of their sojourn in the pouch, the blind, naked, helpless young creatures (which in the great kangaroo scarcely exceed an inch in length) are attached by their mouths to the nipple of the mother, and are fed by milk injected into their stomach by the contraction of the muscle covering the mammary gland.

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  • In the spring of 1844 he gained the first Ast]ey Cooper prize by a physiological essay on the thymus gland, and the following year was elected a fellow of the Royal Society.

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  • The jackal, like the fox, has an offensive odour, due to the secretion of a gland at the base of the tail.

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  • Thus, in the Phyllopoda, the antennal gland develops early and is functional during a great part of the larval life, but it ultimately atrophies, and in the adult (as in most Entomostraca) the maxillary gland is the functional excretory organ.

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  • In the Decapoda, where the antennal gland alone is well-developed in the adult, the maxillary gland sometimes precedes it in the larva.

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  • In the Branchiopoda the maxillary gland is lodged in the thickness of the shell-fold (when this is present), and, from this circumstance, it often receives the somewhat misleading name of " shell-gland."

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  • In the Decapoda the antennal gland is largely developed and is known as the " green gland."

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  • The external duct of this gland is often dilated into a bladder, and may sometimes send out diverticula, forming a complex system of sinuses ramifying through the body.

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  • The green gland and the structures associated with it in Decapods were at one time regarded as constituting an auditory apparatus.

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  • - Lateral metacarpals as in Rangifer; antlers very variable in size, forming a marked angle with the plane of the face, without a brow-tine; when consisting of more than a simple prong, dichotomously forked, frequently with a subbasal snag, and always with the lower prong of the fork projected from the front edge of the beam, in @ome cases the lower, in others the upper, and in others both prongs again dividing; tail long; tarsal gland generally present; metatarsal gland very variable, both as regards presence and position; vomer dividing the inner aperture of the nostrils in the skull into two distinct chambers.

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  • White-tailed Group, Subgenus Dorcelaphus or Odocoileus.- Antlers large and complex, with a sub-basal snag, and the lower prong more or less developed at the expense of the upper one; metatarsal gland usually present; tail long or moderate, and hairy below; face very long and narrow; the face-gland small, and the gland-pit in the skull of moderate extent; no upper canines; size generally large.

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  • - Antlers large and complex, without a sub-basal snag, and the upper prong more developed than the lower one; metatarsal gland absent; tail short; face moderately long; face-gland and gland-pit well developed; upper canines usually present in male.

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  • - Antlers small and simple, forming a single dichotomous fork; metatarsal gland absent; tail short; face moderately long; face-gland and gland-pit well developed; upper canines present in both sexes.

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  • - Antlers in the form of simple unbranched spikes; metatarsal, and in one case also the tarsal gland absent; tail very short; face elongated; face-gland small and gland-pit deep and triangular; hair of face radiating from two whorls; upper canines sometimes present in old males.

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  • - Hair coarse and brittle; upper canines of male very long; no tarsal or metatarsal glands or tufts; lateral metacarpals represented by their lower extremities; lateral hoofs very large; tail very short; naked portion of muzzle extensive; male with a large abdominal gland.

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  • Packed in among these are gland cells, sense cells, and cnidoblasts.

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  • The endoderm contains in addition gland cells and nervous elements.

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  • 2.-I, Portion of epithelium from the tentacle of an Actinian, showing three supporting cells and one sense cell (sc); 2, a cnidoblast with enclosed nematocyst from the same specimen; 3 and 4, two forms of gland cell from the stomodaeum; 5a, 5b, epithelio-muscular cells from the tentacle in different states of contraction; 5c, an epithelio-muscular cell from the endoderm, containing a symbiotic zooxanthella; 6, a ganglion cell from the ectoderm of the peristome.

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  • The remains of the original genital gland within the theca became the "axial organ" surrounded by the "axial sinus" derived from the anterior coelom, and this again by structures derived from the right posterior coelom, which, as explained above, had been depressed to the aboral pole.

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  • The question of the kings divorce soon became inextricably confused with another problem, whose first beginnings go back En,gland to a slightly earlier date.

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  • Etymologically, however, that designation cannot be justified; for it is of hybrid (Latin and Greek) origin, and is equivalent to " mastology," the science which deals with the mammary gland (Gr.

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  • A perforated spur, with a special secreting gland in connexion with it, is found attached to each hind-leg of the males of the existing species of Monotremata.

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  • Mammary Gland >>

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  • The submaxillary gland is of very similar texture to the last, but much smaller; it is placed deeper, and lies with its main axis horizontal.

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  • The duct which runs along its upper and internal border passes forwards in the usual course, lying in the inner side of the sublingual gland, to open on the outer surface of a distinct papilla, situated on the floor of the mouth, half an inch from the middle line, and midway between the lower incisor teeth and the attachment of the fraenum linguae.

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  • The eye is provided with a nictitating membrane or third eyelid, at the base of which open the ducts of the Harderian gland.

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  • swelling at base of jaws; L, lips; M, mouth; or.p, oral papillae; o.s, opening of salivary gland.

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  • A and feet with two primary papillae on the anterior side and one on the posterior side; outer jaw with one minor tooth at the base of the main tooth, inner jaw with no interval between the large tooth and the series of small ones; last fully developed leg of the male with enlarged crural gland opening on a large papilla placed on its ventral surface; coxal organs absent; the nephridial openings of the 4th and 5th pairs of legs are placed in the proximal spinous pad.

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  • Last leg of the male with or without a large white papilla on its ventral surface for the opening of a gland, and marked papillae for the, crural glands are sometimes present on other legs of the male; well-developed coxal glands absent.

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  • In common with the other monotremes, the male echidna has its heel provided with a sharp hollow spur, connected with a secreting gland, and with muscles capable of pressing the secretion from the gland into the spur.

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  • In orchids each of the pollen-masses has a prolongation or stalk (caudicle) which adheres to a prolongation at the base of the anther (rostellum) by means of a viscid gland (retinaculum) which is either naked or covered.

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  • caudicular appendage, ending in a common gland, by means of which they are attached to a process of the stigma.

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  • - Capitate gland on the cupule of Lagenostoma Lomaxii.

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