Word Study
epiblast
CIDE DICTIONARY
epiblast, n. [Pref. epi- + -blast.].
The outer layer of the blastoderm; the ectoderm. See Blastoderm, Delamination. [1913 Webster]
OXFORD DICTIONARY
epiblast, n. Biol. the outermost layer of a gastrula etc.; the ectoderm.
Etymology
EPI- + -BLAST
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