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polyps

polyps Sentence Examples

  • After a time the polyps, or certain of them, produce by budding medusa-individuals, which sooner or later develop sexual elements; in some cases, however, the founder_ polyp remains solitary, that is to say, does not produce polypbuds, but only medusa-buds, from the first (Corymorpha, fig.

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  • In this way the hydroid colony becomes composed of two portions of different function, the nutritive " trophosome," composed of non-sexual polyps, and the reproductive " gonosome," composed of sexual medusaindividuals, which never exercise a nutritive function while attached to the colony.

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  • - All known hydropolyps possess the power of reproduction by budding, and the buds produced may become either polyps or medusae.

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  • The polyps arefree and walk on their tentacles.

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  • upon the polyps FIG.

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  • - Diagram of a typical Hydropolyp. Hydranth; Hydrocaulus; Hydrorhiza; Tentacle; Perisarc, forming in the region ' of the hydranth a cup or hydrotheca(h, t), - which, however,is only found in polyps of the order Calyptoblastea.

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  • - Polyps from a Colony indicated in the case of the polyps of Hydractinia, magnified.

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  • F, the founder-polyp; I, 2, 3, 4, the succession of polyps budded from the founder-polyp; a', b', c', the succession of polyps budded from 1; a 2, 2 polyps budded from 2; a 3, polyp budded from 3.

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  • 15),the polyps produce buds right and left alternately, so that the hydranths are arranged in a zigzag fashion, forming a " scorpioid cyme," as in Obelia and Sertularia.

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  • F, foundersecond bud, which usually polyp; I, 2, 3, succession of polyps forms a side branch or pinnule budded from the founder.

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  • One class g g of polyps, the dactylozoids of branching in the Plumularia-type; (dz), lose their mouth and compare with fig.

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  • Podocoryne have 13 been interpreted by some authors as reduced polyps.

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  • The 'ej: ¦ buds that form polyps ?

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  • Lang [29] in Hydra and other polyps.

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  • Leuckart in 1848 compared medusae in general terms to flattened polyps.

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  • - Simple polyps which become sexually mature and which also reproduce non-sexually, but without any medusoid stage in the life-cycle.

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  • The polyp may be solitary, but more usually produces polyps by budding and forms a polyp-colony.

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  • The polyps may be solitary, or form colonies, which may be of the spreading or encrusting type, or arborescent, and then always of monopodial growth and budding.

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  • In some cases, any polyp of the colony may bud medusae; in other cases, only certain polyps, the blastostyles, have this power.

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  • Trophosome encrusting with hydranths of Bougainvillea-type, polyps differentiated into blastostyles, gastrozoids and dactylozoids; gonosome free medusae or gonophores.

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  • Trophosome, polyps with two whorls of tentacles, the lower filiform, the upper capitate; gonosome, free medusae, with tentacles solid and branched.

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  • Trophosome, polyps with a single whorl of capitate tentacles; gonosome, free medusae, with ten tacles branched, solid.

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  • Tr ophosome, polyps with an upper circlet of numerous capitate tentacles, and a lower circlet of filiform tentacles.

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  • - Trophosome, polyps with two whorls of tentacles, both filiform.

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  • Corymorphidae (including the medusa-family Hybocodonidae).--, Trophosome solitary polyps, with two whorls of tentacles; gonosome, free medusae or gonophores.

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  • Trophosome, polyps with scattered filiform tentacles; gonosome, medusae or gonophores, the medusae with hollow tentacles.

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  • - Trophosome polyps After Haeckel, System der Medusen, by with capitate tentacles, simple or permission of Gustav Fischer.

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  • Trophosome (only known in one genus), polyps with two tentacles forming a creeping colony; gonosome, free medusae with four, six or more radial canals, giving off one or more lateral branches which run to the margin of the umbrella, with the stomach produced into four, six or more lobes, upon which the gonads are developed; the mouth with four lips or with a folded margin; the tentacles simple, arranged evenly round the margin of the umbrella.

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  • Trophosome polyps forming branching colonies of which the stem and main branches are thick and composed of a network of anastomosing coenosarcal tubes covered by a common ectoderm and supported by a thick chitinous perisarc; hydranths similar to those of Coryne; gonosome, sessile gonophores.

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  • Solitary polyps are unknown in this sub-order; the colony may be creeping or arborescent in form; if the latter, the budding of the polyps, as already stated, is of the sympodial type, and either biserial, forming stems capable of further branching, or uniserial, forming pinnules not capable of further branching.

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  • In the biserial type the polyps on the two sides of the stem have primitively an alternating, zigzag arrangement; but, by a process of differential growth, quickened in the 1st, 3rd, 5th, &c., members of the stem, and retarded in the 2nd, 4th, 6th, &c., members, the polyps may assume secondarily positions opposite to one another on the two sides of the stem.

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  • In many Calyptoblastea there occur also reduced defensive polyps or dactylozoids, which the special name of sarcostyles.

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  • The medusa-buds, as already stated, are always produced from blastostyles, reduced non-nutritive polyps without mouth or tentacles.

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  • - Metagenetic colony-forming Hydromedusae, in which the polyp-colony forms a massive, calcareous corallum into which the polyps can be retracted; polyp-individuals always of two kinds, gastrozoids and dactylozoids; gonosome either free medusae or sessile gonophores.

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  • The siphons have been compared to the manubrium of a medusa-individual, or to polyps, and hence are sometimes termed gastrozoids.

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  • It may be regarded as derived from floating polyps similar to Nemopsis or Pelagohydra, which by budding produce a colony of polyps and also form medusa-buds.

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  • 1694), the investigator of Polyps and the opponent of Marsigli and Reaumur, who held them to be plants; Woodward, the palaeontologist (1665-1722) - not to speak of others of less importance.

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  • He showed (1830) that the organisms like Flustra are not hydroid Polyps, but of a more complex structure resembling Molluscs, and he gave them the name Polyzoa.

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  • The group, consisting of small islands and reefs (which mark the extreme northern range of the coral-building polyps), is of oval form, measuring 22 m.

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  • We find that polyps may either bud other polyps or may produce medusae, and that medusae may bud medusae, though never, apparently, polyps.

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  • Hence we have a primary subdivision of the colonies of Hydrozoa into those produced by budding of polyps and those produced by budding of medusae.

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  • Medusae, when they reproduce themselves by budding, always produce medusae, but when they reproduce by the sexual method the embryos produced from the egg grow into medusae in some cases, in other cases into polyps which bud medusae in their turn.

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  • In 1830 he pointed out that among the numerous kinds of " polyps " at that time associated by naturalists with the Hydroids, there were many which had a peculiar and more elaborate type of organization, and for these he proposed the name Polyzoa.

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  • The Mollusca agree in being coelomate with the phyla Vertebrata, Platyhelmia (flat-worms), Echinoderma, Appendiculata (insects, ringed-worms, &c.), and others - in fact, with all the Metazoa except the sponges, corals, polyps, and medusae.

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  • Birgus dispenses with a covering; Coenobita can make shift with half the shell of a coco-nut; Chlaenopagurus wraps itself up in a blanket of colonial polyps; Cancellus tanneri, Faxon, was found in a piece of dead coral rock; Xylopagurus rectus, A.

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  • This comparison, though far-fetched, is certainly more reasonable than the common name "coral-insects" applied to the polyps which form coral.

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  • As regards internal structure, polyps exhibit two well-marked types of organization, each characteristic Af one of the two classes, Hydrozoa and Anthozoa.

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  • It is an almost universal attribute of polyps to possess the power of reproducing themselves non-sexually by the method of budding.

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  • For figures of polyps see P. Gosse, A History of the British SeaAnemones and Corals (London, 1860); A.

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  • " flower-animals"), the zoological name for a class of marine polyps forming "coral".

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  • He was thus able to see that the so-called "flowers of coral" were in fact nothing else than minute polyps resembling seaanemones.

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  • The structure and classification of polyps, however, were at that time very imperfectly understood, and it was fully a century before the true anatomical characters and systematic position of corals were placed on a secure basis.

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  • The general practice for many years past among naturalists has been to restrict the terms "Insecta" and "insect" to the class of Arthropods with three pairs of legs in the adult condition: bees, flies, moths, bugs, grasshoppers, springtails are "insects," but not spiders, centipedes nor crabs, far less earthworms, and still less slugs, starfishes or coral polyps.

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  • You may have some mild obstruction to your nasal passages from swollen adenoids or nasal polyps.

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  • The polyps behave like tiny sea anemones with stinging cells to capture the even smaller life in the plankton.

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  • The most effective treatment for nasal blockage due to polyps is surgical removal.

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  • colon polyps is an important means of preventing colorectal cancer.

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  • colorectal polyps.

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  • The hard skeleton of coral is built by a community of animals related to jellyfish, coral polyps.

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  • A coral reef is a teeming metropolis built upon the living skeletons of tiny soft polyps.

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  • nasal polyps at some point in their life.

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  • Respiratory cell outgrowths from nasal polyps can be considered a suitable model to study gene transfer protocols in vitro.

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  • We present a patient who developed both these complications after biopsy of nasal polyps which subsequently proved to be an inverted papilloma.

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  • The magnification on the photographs of a creeping planula, a frustule, and these two polyps are all the same.

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  • Flexible sigmoidoscopy is not sufficient to detect polyps or cancer in the ascending or transverse colon (two-thirds of the colon ).

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  • Unfortunately, removing nasal polyps does not always prevent them from growing back.

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  • About 1 in 100 people will develop nasal polyps at some point in their life.

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  • Bowel cancers can develop from small growths in the gut, called polyps.

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  • Many older people have polyps on their bowel lining, very few of them will develop into cancer.

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  • Abnormal cells can form polyps (small growths) which may develop into cancer.

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  • Over time, certain types of polyps, called adenomatous polyps, may develop into cancer.

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  • OBJECTIVE: To study the effect of eradication of H. pylori on the clinical course of patients with hyperplastic gastric polyps.

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  • Metaplastic polyps have no significant potential to cause cancer and are very unlikely to lead to any significant problem even if not removed.

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  • None of the women had a history of colon cancer or precancerous polyps.

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  • These lesions have been shown to progress to malignancy in a manor analogous to colonic polyps.

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  • In the same trial, other people with a history of colon polyps were assigned to take calcium supplements.

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  • pompom xenia, brown zoos and several different types of small polyps.

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  • precancerous polyps.

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  • FAP is a rare genetic condition, characterized by the presence of hundreds of pre-cancerous ' polyps ' in the bowel.

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  • resection of adenomatous colon polyps is nearing completion.

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  • The polyps behave like tiny sea anemones with stinging cells to capture the even smaller life in the plankton.

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  • sessile polyps in the rectum, all of which were excised.

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  • The inhibitory effect of budesonide was higher than that of nedocromil sodium on both nasal polyps and nasal mucosa.

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  • teeming metropolis built upon the living skeletons of tiny soft polyps.

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  • tubular adenomas with over 1000 polyps often found in a typical patient.

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  • The rock is covered in life including yellow and white sponges, pompom xenia, brown zoos and several different types of small polyps.

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  • zoophyte branch offered some very unusual specimens from its two groups, the polyps and the echinoderms.

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  • - Diagram of a typical Hydropolyp. Hydranth; Hydrocaulus; Hydrorhiza; Tentacle; Perisarc, forming in the region ' of the hydranth a cup or hydrotheca(h, t), - which, however,is only found in polyps of the order Calyptoblastea.

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  • The germ-cells are capable of extensive migrations, not only in the body of the same polyp, but also from parent to bud through many non-sexual generations of polyps in a colony (A.

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  • - All known hydropolyps possess the power of reproduction by budding, and the buds produced may become either polyps or medusae.

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  • upon the polyps FIG.

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  • The polyps are all non-sexual individuals whose function is purely nutritive.

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  • After a time the polyps, or certain of them, produce by budding medusa-individuals, which sooner or later develop sexual elements; in some cases, however, the founder_ polyp remains solitary, that is to say, does not produce polypbuds, but only medusa-buds, from the first (Corymorpha, fig.

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  • In this way the hydroid colony becomes composed of two portions of different function, the nutritive " trophosome," composed of non-sexual polyps, and the reproductive " gonosome," composed of sexual medusaindividuals, which never exercise a nutritive function while attached to the colony.

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  • - Polyps from a Colony indicated in the case of the polyps of Hydractinia, magnified.

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  • The hydroid colony shows many variations in form and architec- ture which depend simply upon differences in the methods in which polyps are budded.

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  • F, the founder-polyp; I, 2, 3, 4, the succession of polyps budded from the founder-polyp; a', b', c', the succession of polyps budded from 1; a 2, 2 polyps budded from 2; a 3, polyp budded from 3.

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  • Hence, in a colony of calyptoblastic hydroids, the oldest polyp of a system is the lowest; the youngest polyp is the top F =most one; and the axis of the system is a false axis composed of portions of each of the consecutive polyps.

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  • 15),the polyps produce buds right and left alternately, so that the hydranths are arranged in a zigzag fashion, forming a " scorpioid cyme," as in Obelia and Sertularia.

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  • F, foundersecond bud, which usually polyp; I, 2, 3, succession of polyps forms a side branch or pinnule budded from the founder.

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  • Whereas primitively any polyp in a colony may produce medusa-buds, in many hydroid colonies medusae are budded only by certain polyps termed blastostyles (fig.

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  • At first not differing in any way from other polyps (fig.

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  • 5), the blastostyles gradually lose their nutritive function and the organs connected with it; the mouth and tentacles disappear, and the blastostyle obtains the nutriment necessary for its activity by way of the coenosarc. In the Calyptoblastea, where the polyps are protected by special capsules of the perisarc, the gonothecae enclosing the blastostyles differ from the hydrothecae protecting the hydranths (fig.

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  • - Diagram showing method polyps (fig.

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  • One class g g of polyps, the dactylozoids of branching in the Plumularia-type; (dz), lose their mouth and compare with fig.

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  • Polyps 3 and 6, stomach, and become eloninstead of producing uniserial pinnules, gated and tentacle-like, have produced biserial branches (3, 3 showing great activity of 3 3, 3 4;6 1 -6 3), which give off uniserial movement.

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  • Podocoryne have 13 been interpreted by some authors as reduced polyps.

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  • F, founder-polyp; 1, 2, 3, 4, 5, 6, succession of polyps budded from the founder; a, b, c, second series of polyps budded from the founder; a 3, b 3, series budded from 3.

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  • It has been shown above that polyps are budded only from polyps and that the medusae may be budded either from polyps or from medusae.

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  • The first case gives a colony entirely composed of polyps, as in many Hydroidea.

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  • It is convenient to distinguish buds that give rise to polyps from those that form medusae.

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  • The 'ej: ¦ buds that form polyps ?

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  • Lang [29] in Hydra and other polyps.

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  • The tissues of the bud become differentiated into ectoderm and endoderm, and the endoderm of the bud becomes secondarily continuous with that of the parent, but no part of the parental endoderm contributes to the building up of the daughter-polyp. Lang regarded this method of budding as universal in polyps, a notion disproved by O.

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  • however, both of the statements and figures of Lang and of the facts to be described presently for medusae (Margellium), it is at least theoretically possible that both germinal and vegetative budding may occur in polyps as well as in medusae.

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  • The life-cycle of the Leptolinae consists of an alternation of generations in which non-sexual individuals, polyps, produce by budding sexual individuals, medusae, which give rise by the sexual process to the non-sexual polyps again, so completing the cycle.

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  • founder-polyp) nor its offspring by budding (polyps of the colony) have the power of becoming medusae, but only of producing medusae by budding.

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  • Leuckart in 1848 compared medusae in general terms to flattened polyps.

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  • In some polyps the tentacles are webbed at the base, and it was supposed that a medusa was a polyp of this kind set free, the umbrella being a greatly developed web or membrane extending between the tentacles.

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  • - Simple polyps which become sexually mature and which also reproduce non-sexually, but without any medusoid stage in the life-cycle.

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  • The sub-order includes the family Hydridae, containing the common fresh-water polyps of the genus Hydra.

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  • This genus comprises fresh-water polyps of simple structure.

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  • The polyps arefree and walk on their tentacles.

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  • The polyp may be solitary, but more usually produces polyps by budding and forms a polyp-colony.

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  • The polyps may be solitary, or form colonies, which may be of the spreading or encrusting type, or arborescent, and then always of monopodial growth and budding.

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  • In some cases, any polyp of the colony may bud medusae; in other cases, only certain polyps, the blastostyles, have this power.

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  • Trophosome encrusting with hydranths of Bougainvillea-type, polyps differentiated into blastostyles, gastrozoids and dactylozoids; gonosome free medusae or gonophores.

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  • Trophosome, polyps with two whorls of tentacles, the lower filiform, the upper capitate; gonosome, free medusae, with tentacles solid and branched.

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  • Trophosome, polyps with a single whorl of capitate tentacles; gonosome, free medusae, with ten tacles branched, solid.

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  • Tr ophosome, polyps with an upper circlet of numerous capitate tentacles, and a lower circlet of filiform tentacles.

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  • - Trophosome, polyps with two whorls of tentacles, both filiform.

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  • Corymorphidae (including the medusa-family Hybocodonidae).--, Trophosome solitary polyps, with two whorls of tentacles; gonosome, free medusae or gonophores.

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  • Here belong the deep-sea genera Monocaulus and Branchiocerianthus, including the largest hydroid polyps known, both genera producing sessile gonophores.

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  • Trophosome, polyps with scattered filiform tentacles; gonosome, medusae or gonophores, the medusae with hollow tentacles.

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  • - Trophosome polyps After Haeckel, System der Medusen, by with capitate tentacles, simple or permission of Gustav Fischer.

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  • Trophosome (only known in one genus), polyps with two tentacles forming a creeping colony; gonosome, free medusae with four, six or more radial canals, giving off one or more lateral branches which run to the margin of the umbrella, with the stomach produced into four, six or more lobes, upon which the gonads are developed; the mouth with four lips or with a folded margin; the tentacles simple, arranged evenly round the margin of the umbrella.

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  • Trophosome polyps forming branching colonies of which the stem and main branches are thick and composed of a network of anastomosing coenosarcal tubes covered by a common ectoderm and supported by a thick chitinous perisarc; hydranths similar to those of Coryne; gonosome, sessile gonophores.

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  • SUB-ORDER HYDROIDEA CALYPTOBLASTEA (LEPTOsome with polyps always differentiated into nutritive and reproductive individuals(blastostyles) enclosed in hydrothecae and gonothecae respectively; with sympodial type of budding.

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  • Solitary polyps are unknown in this sub-order; the colony may be creeping or arborescent in form; if the latter, the budding of the polyps, as already stated, is of the sympodial type, and either biserial, forming stems capable of further branching, or uniserial, forming pinnules not capable of further branching.

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  • In the biserial type the polyps on the two sides of the stem have primitively an alternating, zigzag arrangement; but, by a process of differential growth, quickened in the 1st, 3rd, 5th, &c., members of the stem, and retarded in the 2nd, 4th, 6th, &c., members, the polyps may assume secondarily positions opposite to one another on the two sides of the stem.

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  • In many Calyptoblastea there occur also reduced defensive polyps or dactylozoids, which the special name of sarcostyles.

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  • The medusa-buds, as already stated, are always produced from blastostyles, reduced non-nutritive polyps without mouth or tentacles.

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  • In Clytia the polyps arise singly from the stolon, and the medusa is known as Phialidium (fig.

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  • - Metagenetic colony-forming Hydromedusae, in which the polyp-colony forms a massive, calcareous corallum into which the polyps can be retracted; polyp-individuals always of two kinds, gastrozoids and dactylozoids; gonosome either free medusae or sessile gonophores.

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  • The siphons have been compared to the manubrium of a medusa-individual, or to polyps, and hence are sometimes termed gastrozoids.

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  • It may be regarded as derived from floating polyps similar to Nemopsis or Pelagohydra, which by budding produce a colony of polyps and also form medusa-buds.

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  • Their structure is eminently that of degenerate forms. Many frequent growths of coralline Algae and hydroid polyps, upon the juices of which they feed, and in some cases a species of gall is produced in hydroids by the penetration of the larval Pantopod into the tissues of the polyp.

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  • 1694), the investigator of Polyps and the opponent of Marsigli and Reaumur, who held them to be plants; Woodward, the palaeontologist (1665-1722) - not to speak of others of less importance.

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  • He showed (1830) that the organisms like Flustra are not hydroid Polyps, but of a more complex structure resembling Molluscs, and he gave them the name Polyzoa.

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  • The group, consisting of small islands and reefs (which mark the extreme northern range of the coral-building polyps), is of oval form, measuring 22 m.

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  • We find that polyps may either bud other polyps or may produce medusae, and that medusae may bud medusae, though never, apparently, polyps.

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  • Hence we have a primary subdivision of the colonies of Hydrozoa into those produced by budding of polyps and those produced by budding of medusae.

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  • Medusae, when they reproduce themselves by budding, always produce medusae, but when they reproduce by the sexual method the embryos produced from the egg grow into medusae in some cases, in other cases into polyps which bud medusae in their turn.

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  • In 1830 he pointed out that among the numerous kinds of " polyps " at that time associated by naturalists with the Hydroids, there were many which had a peculiar and more elaborate type of organization, and for these he proposed the name Polyzoa.

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  • The Mollusca agree in being coelomate with the phyla Vertebrata, Platyhelmia (flat-worms), Echinoderma, Appendiculata (insects, ringed-worms, &c.), and others - in fact, with all the Metazoa except the sponges, corals, polyps, and medusae.

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  • Birgus dispenses with a covering; Coenobita can make shift with half the shell of a coco-nut; Chlaenopagurus wraps itself up in a blanket of colonial polyps; Cancellus tanneri, Faxon, was found in a piece of dead coral rock; Xylopagurus rectus, A.

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  • This comparison, though far-fetched, is certainly more reasonable than the common name "coral-insects" applied to the polyps which form coral.

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  • As regards internal structure, polyps exhibit two well-marked types of organization, each characteristic Af one of the two classes, Hydrozoa and Anthozoa.

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  • It is an almost universal attribute of polyps to possess the power of reproducing themselves non-sexually by the method of budding.

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  • For figures of polyps see P. Gosse, A History of the British SeaAnemones and Corals (London, 1860); A.

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  • " flower-animals"), the zoological name for a class of marine polyps forming "coral".

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  • He was thus able to see that the so-called "flowers of coral" were in fact nothing else than minute polyps resembling seaanemones.

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  • The structure and classification of polyps, however, were at that time very imperfectly understood, and it was fully a century before the true anatomical characters and systematic position of corals were placed on a secure basis.

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  • The general practice for many years past among naturalists has been to restrict the terms "Insecta" and "insect" to the class of Arthropods with three pairs of legs in the adult condition: bees, flies, moths, bugs, grasshoppers, springtails are "insects," but not spiders, centipedes nor crabs, far less earthworms, and still less slugs, starfishes or coral polyps.

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  • CORAL, the hard skeletons of various marine organisms. It is chiefly carbonate of lime, and is secreted from sea-water and deposited in the tissues of Anthozoan polyps, the principal source of the coral-reefs of the world (see Anthozoa), of Hydroids (see Hydromedusae), less important in modern reef-building, but extremely abundant in Palaeozoic times, and of certain Algae.

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  • De Blainville included in his group many unicellular forms such as Noctiluca (see PROTOZOA), sea-anemones, corals, jelly-fish and hydroid polyps, echinoderms, polyzoa and rotifera.

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  • AB - A double-blind, placebo-controlled Phase III cancer prevention trial in subjects with previous resection of adenomatous colon polyps is nearing completion.

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  • He had a colonoscopy three months later, which revealed 3 sessile polyps in the rectum, all of which were excised.

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  • The inhibitory effect of budesonide was higher than that of nedocromil sodium on both nasal polyps and nasal mucosa.

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  • The polyps are usually tubular adenomas with over 1000 polyps often found in a typical patient.

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  • The zoophyte branch offered some very unusual specimens from its two groups, the polyps and the echinoderms.

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  • We took her to a vet that flushed out her nasal passage, as well as did a scoping to look for nasal polyps but none were found.

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  • Most colon and rectal cancers arise from benign growths called polyps.

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  • Screening can catch polyps before they turn into cancer.

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  • Nasal problems, such as chronic congestion, allergies, a deviated septum, or nasal polyps, may all cause snoring.

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  • Throat and nose problems, such as enlarged tonsils or adenoids, and obesity, nasal polyps, and allergies may all cause or contribute to snoring.

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  • Untreated allergies, asthma, nasal polyps, and sinus infections can all cause or worsen snoring.

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  • Blocked nasal passages, caused by colds, allergies or nasal polyps or a deviated septum.

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  • Remove nasal polyps which can cause inflammation in the nasal cavities and make breathing through the nose difficult.

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  • Removing the polyps opens up the nasal passages.

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  • Nasal polyps, or growths, affect about one in five people with CF.

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  • While nasal polyps appear in older people without CF, especially those with allergies, they are rare in children without CF.

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  • Medication or surgery may also be necessary to control heavy menstrual flow or to remove polyps (growths or nodules) from the bowels.

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  • If the obstruction is caused by tumors, polyps, or scar tissue, they will be surgically removed.

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  • Surgery to remove tumors or polyps in the intestines helps prevent recurrences, although adhesions can form after surgery, which can be another cause of obstruction.

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  • Other causes of bleeding are sexually transmitted disease, an ectopic pregnancy, ovarian cysts, and uterine fibroids or polyps.

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  • This increase in skin tags is also associated with the development of growths, called polyps, within the large intestine that may eventually become cancerous.

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  • Kenned, David W., et al. Living with Chronic Sinusitis: A Patient's Guide to Sinusitis, Nasal Allergies, Polyps, and Their Treatment Options.

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  • Nasal polyps or increased amounts of nasal secretions are often noted in patients with asthma.

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  • Some other condition, such as nasal polyps or chronic lung disease, complicates the asthma.

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  • However, the likelihood of acquiring polyps associated with colon cancer was lowered.

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  • The hydroid colony shows many variations in form and architec- ture which depend simply upon differences in the methods in which polyps are budded.

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  • F, founder-polyp; 1, 2, 3, 4, 5, 6, succession of polyps budded from the founder; a, b, c, second series of polyps budded from the founder; a 3, b 3, series budded from 3.

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  • It has been shown above that polyps are budded only from polyps and that the medusae may be budded either from polyps or from medusae.

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  • The first case gives a colony entirely composed of polyps, as in many Hydroidea.

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  • It is convenient to distinguish buds that give rise to polyps from those that form medusae.

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  • The tissues of the bud become differentiated into ectoderm and endoderm, and the endoderm of the bud becomes secondarily continuous with that of the parent, but no part of the parental endoderm contributes to the building up of the daughter-polyp. Lang regarded this method of budding as universal in polyps, a notion disproved by O.

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  • however, both of the statements and figures of Lang and of the facts to be described presently for medusae (Margellium), it is at least theoretically possible that both germinal and vegetative budding may occur in polyps as well as in medusae.

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  • founder-polyp) nor its offspring by budding (polyps of the colony) have the power of becoming medusae, but only of producing medusae by budding.

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  • In some polyps the tentacles are webbed at the base, and it was supposed that a medusa was a polyp of this kind set free, the umbrella being a greatly developed web or membrane extending between the tentacles.

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  • The sub-order includes the family Hydridae, containing the common fresh-water polyps of the genus Hydra.

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  • This genus comprises fresh-water polyps of simple structure.

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  • The polyps are all non-sexual individuals whose function is purely nutritive.

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  • After I had learned a great many interesting things about the life and habits of the children of the sea--how in the midst of dashing waves the little polyps build the beautiful coral isles of the Pacific, and the foraminifera have made the chalk-hills of many a land--my teacher read me "The Chambered Nautilus," and showed me that the shell-building process of the mollusks is symbolical of the development of the mind.

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