Dictionary entry

Endoderm

Webster's Dictionary 1913

En″do‐derm (?), n. [Endo- + Gr. � skin.] (Biol.) (a) The inner layer of the skin or integument of an animal. (b) The innermost layer of the blastoderm and the structures derived from it; the hypoblast; the entoblast. See Illust. of Ectoderm.