English Dictionary: Ectoderm | by the DICT Development Group |
2 results for Ectoderm | |
From WordNet (r) 3.0 (2006) [wn]: | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Ectoderm \Ec"to*derm\, n. [Ecto- + -derm.] (Biol.) (a) The outer layer of the blastoderm; epiblast. (b) The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of {Blastoderm}. |