Search Result for "ectoderm": 
Wordnet 3.0

NOUN (1)

1. the outer germ layer that develops into skin and nervous tissue;
[syn: ectoderm, exoderm, ectoblast]


The Collaborative International Dictionary of English v.0.48:

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. Ectodermal
WordNet (r) 3.0 (2006):

ectoderm n 1: the outer germ layer that develops into skin and nervous tissue [syn: ectoderm, exoderm, ectoblast]