Ectoderm(n.) The outer layer of the blastoderm; epiblast.
Ectoderm(n.) The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of Blastoderm.
Ectodermal(a.) Alt. of Ectodermic
Ectodermic(a.) Of or relating to the ectoderm.

Words within ectoderms