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.
Author:
Sandy Jocoy, RN
Last Updated: November 10, 2008
Medical Review:
Joy Melnikow, MD, MPH - Family Medicine Deborah A. Penava, BA, MD, FRCSC, MPH - Obstetrics and Gynecology