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Medical Term:

mature ovarian follicle


a follicle ready for ovulation; in the human ovary, its antrum attains a diameter of 6–8 mm and presents a surface bulge, the follicular stigma; a first maturation (meiotic) division of the primary oocyte usually occurs just prior to rupture of the follicle.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.