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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.

By Healthwise Staff
Primary Medical Reviewer Sarah Marshall, MD - Family Medicine
Specialist Medical Reviewer Kirtly Jones, MD - Obstetrics and Gynecology
Last Revised October 12, 2010

WebMD Medical Reference from Healthwise

Last Updated: October 12, 2010
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