Tubercles sentence example
There is also the Moloch horridus of South and Western Australia, covered with tubercles bearing large spines, which give it a very strange aspect.
In some Leptomedusae excretory " marginal tubercles " are developed on the ring-canal.
Sharp; in the stag-beetle larva a series of short tubercles on the hind-leg is drawn across the serrate edge of a plate on the haunch of the intermediate legs, while in the Passalid grub the modified tip of the hind-leg acts as a scraper, being so shortened that it is useless for locomotion, but highly specialized for producing sound.
The larvae have soft-skinned bodies sometimes protected by rows of spiny tubercles, the legs being fairly developed in some families and greatly segments to the foot, but there are really five, the fourth being greatly reduced.
The larvae have a somewhat swollen abdomen, which is protected by bristle-bearing tubercles.Advertisement
There is usually a short gap between the canine and first premolar; the upper molars are short-crowned and transitional between the bunodont (tubercular) and selenodont (crescentic) types, with two outer concave tubercles and two inner conical ones; while the lower molars are crescentic, with three lobes in the last of the series..
In the upper molars the two outer columns or tubercles of the primitive tubercular molar coalesce to form an outer wall, from which proceed two crescentic transverse crests, the connexion between the crests and the wall being slight or imperfect, and the crests themselves sometimes tubercular.
The upper cheek-teeth are short-crowned and without cement, and show distinct traces of the primitive tubercles; the two outer columns form a more or less complete external wall, connected with the inner ones by a pair of nearly straight transverse crests; and the premolars are originally simpler than the molars.
On the 1 A pair of round tubercles on the labrum (camerostome or hypostoma) of several species of Trilobites has been described and held to be a pair of eyes (22).
Several members of the order are used medicinally for the strong purging properties of the milky juice (latex) which they contain; scammony is the dried latex from the underground stem of Convolvulus Scarnmonia, a native of the Levant, while jalap is the product of the tubercles of Exogonium Purga, a native of Mexico.Advertisement
The caseous necrosis of the implicated mass of lung tissue, and indeed of tubercles generally, is held to be, in great measure, the result of the necrotic influence of the secretions from the bacillus.
Upon the roots of leguminous plants characteristic swollen nodules or tubercles are present.
They have the fleshy stems characteristic of the order, these being either globose, oblong or cylindrical, and either ribbed as in Melocactus, or broken up into distinct tubercles, and most of them armed with stiff sharp pines, set in little woolly cushions occupying the place of the buds.
The cheek teeth are short crowned (brachyodont), with the tubercles more or less completely fused into transverse ridges, or cross-crests (lophodont type); and the total number of teeth is in one case the typical 44, but in another is reduced below this.
The insect is fixed by this rostrum, which is inserted into the root of the vine for the purpose of sucking the sap. The abdomen consists of seven segments, and these as well as the anterior segments bear four rows of small tubercles on their dorsal surface.Advertisement
These are the nymphs, destined to acquire wings; their body is more slender in outline, and at first they bear well-marked tubercles.
Whilst the skin is mostly soft on the back, with little granular tubercles, scales (except on the belly) are absent, but they are present in Homopholis, in Geckolepis of Madagascar, and most fully developed in Teratoscincus scincus.
The skin of the upper surface is granular, with many irregular bony tubercles which give it an ugly warty look.
The tubercles which cluster over the surface of the crown of the common pig are elongated and drawn out into the columns of the wart-hog, as the low transverse ridges of the mastodon's tooth become the leaf-like plates of the elephant's molar.
The larvae are white, fleshy, apodal grubs, with a series of tubercles along each side of the body; the head is round, and bears strong jaws, and sometimes rudimentary ocelli.Advertisement
The larva is a thick white grub with a brownish head, bearing fleshy tubercles along its side.
In the omnivorous type, as exemplified in man and monkeys, and to a less specialized degree in swine, the incisors are of moderate and nearly equal size; the canines, if enlarged, serve for other purposes than holding prey, and such enlargement is usually confined to those of the males; while the cheek-teeth have broad flattened crowns surmounted by rounded bosses, or tubercles.
In Ulodendron the large circular, distichously arranged prints were supposed to have been formed by the pressure of the bases of sessile cones, though this interpretation of the scars is open to doubt, and it is now more probable that they bore deciduous vegetative branches; in the Halonial branches characteristic of the genus Lepidophloios the tubercles may perhaps mark the points of insertion of pedunculate strobili.
Lower, not visible part ± short cylindrical, narrowing at the base, densely covered with the old, dried up tubercles.
Plants have prominent conical tubercles, with star like spine clusters.Advertisement
The spawning tubercles play an important role in the courtship of the goldfish.
It shows the typical characteristics of Turbinicarpus species in the early seedling stage, i.e.. plumose or feather-like spination and low rounded tubercles.
The fine green leaves are shining, fleshy, and slightly wavy; stems twining, tinged with red, growing with extraordinary rapidity, and bearing many tubercles.
Increased by tubercles of the stem, which break with the least shock, but the smallest fragment will vegetate.