- The motile zygote of the malarial organism that penetrates the mosquito stomach to form an oocyst under the outer gut lining.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for ookinete
The zygote or sporont is at first capable of movement and known as an ookinete.