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]