Meaning of area pellucida

ar'ea pel•lu'ci•da

Pronunciation: (pu-l'si-du), [key]
— Embryol. Embryol.
  1. the translucent central area of the blastoderm of birds and reptiles within which the embryo develops.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.