Ovarian follicle

An ovarian follicle is a small sac (cyst) on the ovary. An egg matures inside of the follicle; when the egg is mature, the follicle bursts open and releases the egg.

Last Updated: November 10, 2008

Author: Sandy Jocoy, RN

Medical Review: Joy Melnikow, MD, MPH - Family Medicine & Deborah A. Penava, BA, MD, FRCSC, MPH - Obstetrics and Gynecology

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