[ oh-uh-ki-nee-sis, -kahy- ]
/ ˌoʊ ə kɪˈni sɪs, -kaɪ- /

noun Cell Biology.

the series of nuclear changes occurring in the ovum during maturation and fertilization.

Origin of ookinesis

Related formso·o·ki·net·ic [oh-uh-ki-net-ik, -kahy-] /ˌoʊ ə kɪˈnɛt ɪk, -kaɪ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for ookinesis


[ ō′ə-kə-nēsĭs, -kī- ]


The chromosomal movements of the egg that take place during maturation and fertilization.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.