zygosis

zygosis definition - medical

zy·go·sis (zī-gōˈsĭs, zĭ-)

noun pl. zy·go·ses (-sēz)
The union of gametes to form a zygote; conjugation.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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