blastula: Meaning and Definition of


Pronunciation: (blas'chu-lu), [key]
— pl. -las, -lae
  1. the early developmental stage of an animal, following the morula stage and consisting of a single, spherical layer of cells enclosing a hollow, central cavity. Cf. blastocyst.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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