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their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lympha…

An outgrowth of the epidermis, consisting of one or of several cells, whether pointed, hooked, knobbed, or stellated. Internal hairs occur in the flower stalk of the yellow frog lily (Nuphar).

A layer of tissue beneath the epidermis in plants, and performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.

the parts under the skin. Hypodermic medication, the application of remedies under the epidermis, usually by means of a small syringe, called the hypodermic syringe. -- Hyp`o*der"mic*al*ly, adv.

lso white ginger, prepared in Jamaica from the best roots, which are deprived of their epidermis and dried separately. -- Jamaica pepper, allspice. -- Jamaica rose (Bot.), a West Indian melastomaceous shrub (Blakea trinervis), with showy pink flowers.

the horny scale of plate of epidermis at the end of the fingers and toes of man and many apes. His nayles like a briddes claws were. Chaucer.

sade cells (Bot.), vertically elongated parenchyma cells, such as are seen beneath the epidermis of the upper surface of many leaves. -- Palisade worm (Zoöl.), a nematoid worm (Strongylus armatus), parasitic in the blood vessels of the horse, in which it produces aneurisms, often fatal.

A chitinous membrane covering the exterior of many shells; -- called also epidermis.

, a form of cellular tissue in which the cells are broad and flat, as in some kinds of epidermis.

See Epidermis.

That part of a pistil which has no epidermis, and is fitted to receive the pollen. It is usually the terminal portion, and is commonly somewhat glutinous or viscid. See Illust. of Stamen and of Flower.

Situated immediately below the epidermis.

tumor on the skin formed by enlargement of its vascular papillæ, and thickening of the epidermis which covers them.