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epeirogeny
epenthesis
epergne
epexegesis
Eph.
ephah
ephebe
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epiblast
ep·i·blast [ éppi blàst ] (plural ep·i·blasts)


noun 
Definition:
 
outer layer of an embryo: the outer layer of cells in an early embryo blastula. It develops into ectoderm.

ep·i·blast·ic [ èppi blástik ] adjective
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