blastula Hear it!

blastula definition

blas·tula (blas′tyo̵̅o̅ lə)

noun pl. blastulas -·las or blastulae -·lae′ (-lē′)

an embryo at the stage of development in which it consists of usually one layer of cells around a central cavity, forming a hollow sphere

Etymology: ModL, dim. < Gr blastos, a sprout

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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