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Uterus

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Updated February 12, 2009

Uterus

Uterus Diagram

A.D.A.M. @ About.com
Definition: The uterus is the hollow organ in the female reproductive system that holds a fetus during pregnancy. During childbirth muscular contractions in the uterus help to push the baby out of the body.

The uterus is lined with a membrane called the endometrium. When a woman does not become pregnant, the lining is shed, resulting in a woman's period (menstruation). When a woman is pregnant, the lining thickens and helps support the needs of the egg.

A

hysterectomy is a surgery to remove the uterus.

Pronunciation: YOU-ter-us
Also Known As: womb,
Examples:
During pregnancy the uterus expands to many times its original size.
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