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Epidermal. [R.]

Epidermal; connected with the skin or the bark. Epidermic administration of medicine (Med.), the application of medicine to the skin by friction.

Epidermal. [R.]

Epidermal. [R.]

One of the peculiar dermal appendages, of several kinds, belonging to birds, as contour feathers, quills, and down.

) See under Adipose, a. -- Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. -- Fin whale (Zoöl.), a finback. -- Paired fins (Zoöl.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. -- Unpaired, or M…

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

containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucin and tyrosin…

Same as Mesodermal.

An extinct order of ganoid fishes. They had a compressed body, covered with dermal ribs (pleurolepida) and with enameled rhomboidal scales.

s which form the covering of many fishes and reptiles, and some mammals, belonging to the dermal part of the skeleton, or dermoskeleton. See Cycloid, Ctenoid, and Ganoid. Fish that, with their fins and shining scales, Glide under the green wave. Milton.

A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines.

slender, transparent holothurians which have delicate calcareous anchors attached to the dermal plates. See Illustration in Appendix.

urved outward at the tips. It also has a cervical plume consisting of a long, cylindrical dermal process covered with soft hairy feathers. Called also dragoon bird. -- Umbrella leaf (Bot.), an American perennial herb (Dyphylleia cymosa), having very large peltate and lobed radical leaves. -- Umbrella shell. (Zoöl.) S…