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Pertaining to the integument or skin of animals; dermic; as, the dermal secretions.

Relating or belonging to the echinoderms.

Of or relating to the ectoderm.

Of or pertaining to the endoderm.

Relating to the entoderm.

Of or pertaining to the epidermis; epidermic; cuticular.

Pertaining to, or derived from, the mesoderm; as, mesodermal tissues.

ertaining to, or giving rise to, the central nervous system and epiderms; as, the neuroepidermal, or epiblastic, layer of the blastoderm.

Of or relating to the pachyderms; as, pachydermal dentition.

Of or pertaining to the placoderms; like the placoderms.

Situated immediately below the epidermis.

and mostly parasitic upon birds. -- Bird mite (Zoöl.), a small mite (genera Dermanyssus, Dermaleichus and allies) parasitic upon birds. The species are numerous. -- Bird of passage, a migratory bird. -- Bird spider (Zoöl.), a very large South American spider (Mygale avicularia). It is said sometimes to capture and k…

nd turtles, perculiar in having a part of the vertebræ, ribs, and sternum united with the dermal plates so as to form a firm shell. The jaws are covered by a horny beak. See Reptilia; also, Illust. in Appendix.

Pertaining to the cuticle, or external coat of the skin; epidermal.

Pertaining to the dermis; dermal. Underneath each nail the deep or dermic layer of the integument is peculiarly modified. Huxley. Dermic remedies (Med.), such as act through the skin.

Pertaining to, or in relation with, both dermal and hæmal structures; as, the dermohæmal spines or ventral fin rays of fishes.

Pertaining to, or in relation with, both dermal and neural structures; as, the dermoneural spines or dorsal fin rays of fishes. Owen.

Relating to Echinodermata; echinodermal.

The epidermal cells of rootlets, specially adapted to absorb liquids. Goodale.

Epidermal. [R.]