Ectoderm

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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



From WordNet (r) 2.0 [wn]:

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