Spines Sentence Examples

In all these families spines and glandular papillae may be super-added.

Having no spines to their fins, the Gadids used, in Cuvierian days, to be associated with the herrings, Salmonids, pike, &c., in the artificially-conceived order of Malacopterygians, or soft-finned bony fishes.

Males of the little water-bugs of the genus Corixa make a shrill chirping note by drawing a row of teeth on the flattened fore-foot across a group of spines on the haunch of the opposite leg.

The spines are mixed with long soft hairs.

The body is uniformly covered with granular scales, whilst the short, strong tail is armed with powerful spines disposed in whorls.

Among the ammonites the loss of power to coil the shell is one feature of racial old age, and in others old age is accompanied by closer coiling and loss of surface ornamentation, such as spines, ribs, spirals; while in other forms an arresting of variability precedes extinction.

Beecher (1856-1905) has pointed out (1898), many animals possessing hard parts tend toward the close of their racial history to produce a superfluity of dead matter, which accumulates in the form of spines among invertebrates, and of horns among the land vertebrates, reaching a maximum when the animals are really on the down-grade of development.

The spines and pods of the plant are often mixed with it.

The ventral fin is also elongated, and all the fins are destitute of spines.

The body is enveloped by a thick striated protective cuticle which is frequently raised into hooks or spines.

The external openings in the male are armed with a pair of hollowed spines.

In the allied genus Echinocereus, with 25 to 30 species in North and South America, the stems are short, branched or simple, divided into few or many ridges all armed with sharp, formidable spines.

The genus Atherura includes the brush-tailed porcupines which are much smaller animals, with long tails tipped with bundles of flattened spines.

The body-wall is highly muscular and, except in a few probably specialized cases, possesses chitinous spines, the setae, which are secreted by the ectoderm and are embedded in pits of the skin.

The " postabdomen," marked off by the two postabdominal setae, usually has teeth or spines, and ends in two denticulate or ciliate claws, or it may be rudimentary, as in Polyphemus.

These have the furcal branches broad, lamellar, with at least three pairs of strong spines or ungues.

The skin is devoid of ossifications, but large and numerous cutaneous spines are often present, especially on the head and on the tail.

Their scales are mixed with larger prominent spines, which in some species are particularly developed on the tail, and disposed in whorls.

In most species there are three circumvallate papillae at the base, and the apical portion is generally covered with small, thread-like papillae, some of which in the porcupines become greatly enlarged, forming toothed spines.

There are generally nineteen dorso-lumbar vertebrae (thirteen thoracic and six lumbar), the form of which varies in different genera; in the cursorial and leaping species the lumbar transverse processes are generally very long, and in the hares there are large compressed inferior spines, or hypapophyses.

In some cases there may be spines among the fur.

The spiny mice, Acornys (or Acanthomys), of Western Asia, Cyprus and Africa, take their name from the fur being almost entirely replaced by flattened spines, and are further distinguished by the rudimentary coronoid process of the lower jaw.

The Old World porcupines, constituting the family Hystricidae, are terrestrial, stoutly built rodents, with limbs of subequal length in front and behind, and the skin covered with strong spines.

In Atherura fasciculata of the Malay Peninsula the spines are flattened, and the tails long and scaly, with a tuft of compressed bristles.

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.

The almost spherical head is covered by a hood which can be retracted; it bears upon its side a number of sickle-shaped, chitinous hooks and one or more short rows of low 89 spines - both of these features are used in characterizing the various species.

The weevers are poisonous and the venom is concentrated principally in the six spines of the first dorsal fin.

These spines are sharp and connected by a black membrane which projects, when the fish is disturbed, as a danger singal, it is believed, above the surface of the sand in which the fishes lie hid awaiting prey.

The males are without these protective spines and are exposed to special dangers as they wander in search of the webs of the females.

A third species, the common sloe or blackthorn, P. spinosa, has stout spines; its flowers expand before the leaves; and its fruit is very rough to the taste, in which particulars it differs from the two preceding.

About 700 species of Carboniferous fish have been described largely from teeth, spines and dermal ossicles.

But the way in which they usually diverge just over and in front of the eye has suggested the more probable idea, that they serve to guard these organs from thorns and spines while hunting for fallen fruits among the tangled thickets of rattans and other spiny plants.

The exospore often bears spines or warts, or is variously sculptured, and the character of the markings is often of value for the distinction of genera or higher groups.

The species are small trees or shrubs, armed with sharp, straight, or hooked spines, having alternate leaves, and fruits which are in most of the species edible, and have an agreeable acid taste; this is especially the case with those of the two species mentioned above.

The plants often bear spines, especially those growing in arid districts in Australia or tropical and South Africa.

As the leaves unfold from the centre of the rosette the impression of the marginal spines is very conspicuous on the still erect younger leaves.

The Scotch fir is a very variable tree, and certain varieties have acquired a higher reputation for the qualities of their timber than others; among those most prized by foresters is the one called the Braemar pine, the remaining fragments of the great wood in the Braemar district being chiefly composed of this kind; it is mainly distinguished by its shorter and more glaucous leaves and ovoid cones with blunt recurved spines, and especially by the early horizontal growth of its ultimately drooping boughs; of all varieties this is the most picturesque.

P. canariensis, which forms forests on the mountains of Grand Canary and Teneriffe, growing at an elevation of 6000 ft., also belongs to this group. The leaves are long, lax, and of a bright green tint; the cone-scales are without spines; the trunk attains a large size, and yields good and durable timber.

In most cases, however, the palp loses its exopodite and it often disappears altogether, while the coxal segment forms the body of the mandible, with a masticatory edge variously armed with teeth and spines.

In a few Entomostraca (some Phyllopoda and Ostracoda) the chitinous lining of the fore-gut develops spines and hairs which help to triturate and strain the food, and among the Ostracods there is occasionally (Bairdia) a more elaborate armature of toothed plates moved by muscles.

As in many other " pelagic " organisms, spines and processes from the surface of the body are often developed, which are probably less important as defensive organs than as aids to flotation.

Perhaps the most striking example is the zoea-like larva of the Sergestidae, known as Elaphocaris, which has an extraordinary armature of ramified spines.

In many bamboos they are long and spreading or drooping and copiously ramified, in others they are reduced to hooked spines.

In Setaria and allied genera the spikelet is subtended by an involucre of bristles or spines which represent sterile branches of the inflorescence.

Favosites hemisphaerica a number of radial spines, projecting into the cavity FIG.

As growth proceeds, and parent and bud become separated farther from one another, the edge-zone forms a sheet of soft tissue, X 0 3 bridging over the space between the two, and resting upon projecting spines of the corallum.

This margin is normally furnished with a perpendicular spine (virgella) and occasionally with two shorter lateral spines or lobes.

To render the organization of this creature perfect in relation to its wants, it is provided with three long filaments inserted along the middle of the head, which are, in fact, the detached and modified three first spines of the anterior dorsal fin.

Skeletal appendages are spines (radioles), pedicellariae, and, in some forms, minute sense-organs called sphaeridia.

Such hairs, either upon different parts of the skin of the same species, or in different species, assume very diverse forms and are of various sizes and degrees of rigidity - as seen in the fur of the mole, the bristles of the pig, and the spines of the hedgehog and porcupine, which are all modifications of the same structures.

Though usually more or less cylindrical or circular in section, hairs are often elliptical or flattened, as in the curly-haired races of men, the terminal portion of the hair of moles and shrews, and conspicuously in the spines of the spiny squirrels of the genus Xerus and those of the mouse-like Platacanthomys.

Many of these are of curious form, with remarkable developments of the plates of the head and projecting horns and spines.

The neural laminae are broad, the spines almost obsolete, except in the seventh, and the transverse processes not largely developed.

The cuticle is a thin layer, of which the spines, jaws and claws are special developments.

In size and appearance it bears a considerable resemblance to the hedgehog, its upper surface being covered over with strong spines directed backwards, and on the back inwards, so as to cross each other on the middle line.

The spines in the neighbourhood of the tail form a tuft sufficient to hide that almost rudimentary organ.

When attacked it seeks to escape either by rolling itself into a ball, its erect spines proving a formidable barrier to its capture, or by burrowing into the sand, which its powerful limbs enable it to do with great celerity.

In all the spines are mixed with hair; in the Tasmanian race they are nearly hidden by the long harsh fur.

Spherical sacs, bearing forked spines, described by Williamson under the name of Zygosporites, are frequent, usually in an isolated state.

In some species of the South American frogs of the genus Leptodactylus the breast and hands are armed with very large spines, which inflict deep wounds on the female held in embrace.

Many catfish and some other species have sharp spines (often barbed) on their fins.

Extent and Medium 6 volumes; paper; The spines of many of the volumes are damaged and in some cases are completely detached.

The branches bear horrific sharp axillary spines, as is suggested by the specific epithet (Gibson 1999 ).

New spines continued to grow in hedgehogs affected by mange and ringworm respectively.

The palps are developed into strong pincers equipped with sharp teeth and spines, which are used for catching and crushing prey.

Ok, back to spines, excuse the pun... ... ... .

This statement sent quivers down most of the players ' spines.

It appears that the elongated first dorsal fin spines are not always present.

As dendrites form the predominant elements in neurons, so dendritic spines form the dominant component of many types of dendritic trees.

When using frames that support the anterior superior iliac spines, the lateral cutaneous nerve of the thigh may be compressed and stretched.

The central non-articular area comprises the tibial spines with the anterior cruciate ligament taking origin from the anterior spine.

Not all urchin spines are suitable for this work.

Apex somewhat sunken, more or less covered by the wool and spines from youngest areoles, however hardly completly enclosed.

In coastal areas there can also be painful results from standing on sea urchins or contact with the spines of certain fish.

The spines can be a problem in gardens as they can inflict wounds.

In Xerus itself, which is represented by the terrestrial African spiny squirrels, the ears are short, there are only two teats, and flat spines are mingled with the fur; while the skull, and more especially the frontals, is elongated, with a very short post-orbital process, and the crowns of the molars are taller than usual (see Spiny Squirrel).

Rays simple or branched, capable of coiling, since the vertebrae articulate by surfaces of hour-glass shape; ventral arm-plates, and often the others, much reduced; spines reduced or absent.

Bennett (Gatherings of a Naturalist in Australasia), " is by one of the hind legs; its powerful resistance and the sharpness of the spines will soon oblige the captor, attempting to seize it by any other part of the body, to relinquish his hold."

The armour-plates are often exquisitely sculptured, and may be produced into spines or perpendicular plates to give greater surface extension, as we find in other plankton organisms. The cortical plasma may protrude pseudopodia in the longitudinal groove; it contains trichocysts in several species, true nematocysts in Polykrikos.

Ok, back to spines, excuse the pun..........

Both are very striking fish, being covered with so many ornate spines they resemble living sculptures.

Chris has been disastrously affected by altitude, Jeremy by the stubborn sea urchin spines.

Used books often have broken spines, are heavily highlighted and have hand-written notes.

Branches are very thick and have sharp spines.

A. Lyalli is similar in habit, but is smoother in all its parts, the leaves being divided into sharp spines.

With these are an equal number of needle-like spines slightly longer than the leaves, and to these the tree owes its name.

Narrow tubular flowers of white and mauve appear at the leaf-axils towards the ends of the shoots, which are free of spines.

C. cruciata is the commonest; its stems are armed with stout flattened spines, its flowers white and small, making a bush about 4 feet high.

C. spinosa has its spines round or awl-shaped, the white flowers, though small, are very numerous in summer.

It grows in a globular mass, 3 or 4 inches across, which is covered with white spines.

It is a vigorous plant of fine habit, the young shoots, the under side of the leaves, the flower stalks, and the seed-pods covered with short brown bristles; the branches bear two spines at each node.

C. diacantha has foliage of shining green, marking with silvery lines, and the spines are ivory white.

C. Casabona has deep green white-veined leaves with brown spines.

It is used by the Japanese as a fence plant, and with its spines and stout habit is quite a good one.

Its large leaves are cut and undulated, and tipped and margined with scattered spines; they are bright glistening green, with broad white veins.

It is remarkable for its stout ruddy stems, set throughout their entire length with broad wing-like spines, their effect unlike anything hitherto seen in the Rose family, and of remarkable brilliance in sunlight.

Z. planispinum is an interesting shrub of dense growth, with glossy evergreen leaves and branches covered with stout compressed spines.

The small bell-shaped flowers are white, coming in pairs at the base of the spines.

Make sure the spines are intact, the pages are tight, and there are no stains or tears.

Tail spines are the delivery mechanism for stingray venom.

A stage completely filled with a long line of chorus dancers whose high kicks all reach exactly the same height still has the ability to send shivers down the spines of many audience members.

It's one thing to tell a creatively inspired ghost story, but it's another thing when the tale of woe is real; it has the capability of sending shivers down even the most stoic of spines.

Stories about the creature can send chills up the spines of believers and skeptics alike.

Chiropractors typically choose garments that enable them to move freely since they are required to manipulate patients' spines and other body parts.

There is also the Moloch horridus of South and Western Australia, covered with tubercles bearing large spines, which give it a very strange aspect.

The cuticle is frequently prolonged into spines and papillae, which are especially developed at the anterior end of the body.

The gentle lemurs (Hapalemur) have a rounder head, with smaller ears and a shorter muzzle, and also a bare patch covered with spines on the fore-arm.

It is almost made up of fragments of spines, teeth and scales of ganoid fish.

There are two dorsal fins, the anterior near the head, composed of 11-14 feeble spines, the second near the tail with all the rays soft except the first, and behind the second dorsal five or six finlets.

Others again, like Gasteracantha and Acrosoma, belonging to the Argyopidae, are armed with sharp and strong abdominal spines, and these spiders are hard-shelled like beetles and are spotted with black on a reddish or yellow ground, their spines shining with steel-blue lustre.

The body is ringed, and often has circles of spines, which are continued into the slightly protrusible pharynx.

Some species of Strophalosia and Productus seem also to have been moored during life to the sandy or muddy bottoms on which they lived, by the means of tubular spines often of considerable length.

Unlike sloths, the megatherium has seven cervical vertebrae; and the spines of all the trunk-vertebrae incline backwards.

As indications that the conditions described in Membranipora and Cribrilina are of special significance may be noted the fact that the ancestrula of many genera which have well-developed compensation-sacs in the rest of their zooecia is a Membranipora-like individual with a series of marginal calcareous spines, and the further fact that a considerable proportion of the Cretaceous Cheilostomes belong either to the Membraniporidae or to the Cribrilinidae.

The arrangement is perhaps derivable from a Cribrilina-like condition in which the outer layer of the spines has become membranous while the spines themselves are laterally united from the first.

As all these animals are killed by the poison of the snake before they are swallowed, and as their muscles are perfectly relaxed, their armature is harmless to the snake, which begins to swallow its prey from the head, and depresses the spines as deglutition proceeds.

The first dorsal fin and the ventrals are transformed into pointed formidable spines, and joined to firm bony plates of the endoskeleton.

The development of its scutes and spines varies exceedingly, and specimens may be found without any lateral scutes and with short spines, others with only a few scutes and moderately sized spines, and again others which possess a complete row of scutes from the head to the caudal fin, and in which the fin-spines are twice as long and strong as in other varieties.

The ten-spined stickleback (Gastrosteus pungitius) is so called from the number of spines usually composing its first dorsal fin, which, however, may be sometimes reduced to eight or nine or increased to eleven.

The sea-stickleback (Gastrosteus spinachia or Spinachia vulgaris) attains to a length of 7 in., and is armed with fifteen short spines on the back.

The body is enclosed in a stout cuticle, prolonged in places into spines and bristles.

The spines are variously coloured, white and yellow tints predominating, and from the symmetrical arrangement of the areolae or tufts of spines they are very pretty objects, and are hence frequently kept in drawing-room plant cases.

These large plants have from 40 to 50 ridges, on which the buds and clusters of spines are sunk at intervals, the aggregate number of the spines having been in some cases computed at upwards of 50,000 on a single plant.

Pilocereus, the old man cactus, forms a small genus with tallish erect, fleshy, angulate stems, on which, with the tufts of spines, are developed hair-like bodies, which, though rather coarse, bear some resemblance to the hoary locks of an old man.

The plants are nearly allied to Cereus, differing chiefly in the floriferous portion developing these longer and more attenuated hair-like spines, which surround the base of the flowers and form a dense woolly head or cephalium.

The Tenthredinidae, or true saw-flies, are distinguished by two spines on each fore-shin, while the larvae are usually caterpillars, with three pairs of thoracic legs, and from six to eight pairs of abdominal prolegs, the latter not possessing the hooks found on the pro-legs of lepidopterous caterpillars.

In Halohates a comb-like series of sharp spines on the fore-shin can be drawn across a set of blunt processes on the shin of the opposite leg.

Green mud differs to a greater extent from the blue mud, and owes its characteristic nature and colour to the presence of glauconite, which is formed inside the cases of foraminifera, the spines of echini and the spicules of sponges in a manner not yet understood.

Of the Ceylonese galls, " some are as symmetrical as a composite flower when in bud, others smooth and spherical like a berry; some protected by long spines, others clothed with yellow wool formed of long cellular hairs, others with regularly tufted hairs."

They are all stout, heavily-built animals, with blunt rounded heads, fleshy mobile snouts, and coats of thick cylindrical or flattened spines, which form the whole covering of their body, and are not intermingled with ordinary hairs.

They include three genera, of which the first is represented by the Canadian porcupine (Erethizon dorsatus), a stout, heavily-built animal, with long hairs almost or quite hiding its spines, four frontand five hind-toes, and a short, stumpy tail.

They are of a lighter build than the ground-porcupines, with short, close, many-coloured spines, often mixed with hairs, and prehensile tails.

The pollen grain bears numerous spines, the dark spots indicate thin places in the outer wall.

The fur varies exceedingly in character, - in some, like the chinchillas and hares, being fine and soft, while in others it is more or less replaced by spines on the upper surface, as in spiny rats and porcupines; these spines in several genera, as Xerus, Acomys, Platacanthomys, Echinothrix, Loncheres and Echinomys, being flattened.

Perognathus and Heteromys have rooted molars; the latter genus is distinguished by the presence of flattened spines among the fur, and has species extending into South America.

Fishes were abundant, many of the smaller ganoids are beautifully preserved in an entire condition, other larger forms are represented by fin spines, teeth and bones; Ctenodus, Uronemus, Acanthodes, Cheirodus, Gyracanthus are characteristic genera.

In some leaves, as in the barberry, the veins are hardened, producing spines without any parenchyma.

The appendages of the second pair are large and prehensile, as in scorpions, but are armed with spines, to impale and hold prey.

Protection is afforded to some species, like Heteropteryx grayi from Borneo, by sharp thornlike spines.

Slightly larger flagellates and small ciliates prompt the spines to bend and curl so as to entangle the prey more thoroughly.

Again, the spines arising from the basal crust of ??'

Smooth, dark brown branches that often bear spines and narrow, light green leaves that are silvery on the undersides.

Weever fish are silvery with a black venomous fin and spines.

Aridity has favoured the production of spines as a defence from external attack, sharp thorns are frequent, and asperities of various sorts predominate.

They are fleshy shrubs, with rounded, woody stems, and numerous succulent branches, composed in most of the species of separate joints or parts, which are much compressed, often elliptic or suborbicular, dotted over in spiral lines with small, fleshy, caducous leaves, in the axils of which are placed the areoles or tufts of barbed or hooked spines of two forms. The flowers are mostly yellow or reddish-yellow, and are succeeded by pear-shaped or egg-shaped fruits, having a broad scar at the top, furnished on their soft, fleshy rind with tufts of small spines.

These spines are used by the Mexicans as toothpicks.