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blastular

Variant of blastula

noun pl. blastulas or blastulae

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

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

Related Forms:

blastular adjective
blastulation noun

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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