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Meaning of extraembryonic

ex•tra•em•bry•on•ic

Pronunciation: (ek"stru-em"brē-on'ik), [key]
— adj.
  1. situated outside the embryo.
  2. pertaining to structures outside the embryo.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.