Chromosomal movements of the egg during maturation and fertilization. ... Origin: G. Oon, egg, + kinesis, movement ... (05 Mar 2000) ... 
(o″o-kĭ-ne´sis) the mitotic movements of an oocyte during maturation and fertilization.
Type: Term Pronunciation: ō′ō-ki-nē′sis, -zē-ă Definitions: 1. Chromosomal movements of the oocyte during maturation and fertilization.
the series of nuclear changes occurring in the ovum during maturation and fertilization.