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spermatozoon definition

sper·ma·to·zoon (-zō′än′, -ən)

noun pl. spermatozoa -·zo′a (-zō′ə)

the male germ cell, found in semen, which penetrates the ovum, or egg, of the female to fertilize it: typically it consists of a head containing a large nucleus, a small midsection, and a whiplike tail used for locomotion

Etymology: ModL < spermato- + Gr zōion, animal: see bio-

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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