'Embryonic vesicle' definitions:

Definition of 'Embryonic vesicle'

From: GCIDE
  • Embryonic \Em`bry*on"ic\, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster]
  • Embryonic sac or Embryonic vesicle (Bot.), the vesicle within which the embryo is developed in the ovule; -- sometimes called also amnios sac, and embryonal sac. [1913 Webster]