endoderm Meaning, Definition & Usage

  1. noun the inner germ layer that develops into the lining of the digestive and respiratory systems
    entoderm; hypoblast; endoblast; entoblast.

WordNet

En"do*derm noun
Etymology
Endo- + Gr. skin.
Definitions
  1. (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.

Webster 1913