entoblast

from WordNet (r) 3.0 (2006)

entoblast
    n 1: the inner germ layer that develops into the lining of the
         digestive and respiratory systems [syn: {endoderm},
         {entoderm}, {endoblast}, {entoblast}, {hypoblast}]

from The Collaborative International Dictionary of English v.0.48

Entoblast \En"to*blast\, n. [Ento- + -blast.] (Biol.)
   The inner germ layer; endoderm. See {Nucleolus}.
   [1913 Webster]

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