Prostate gland

The prostate gland is a small, walnut-shaped organ that lies just below a man's bladder. It surrounds the urethra, the tube that carries urine from the bladder out of the body through the penis.

The prostate gland produces most of the fluid in semen.

Last Updated: December 26, 2009

Author: Monica Rhodes

Medical Review: E. Gregory Thompson, MD - Internal Medicine & Christopher G. Wood, MD, FACS - Urology/Oncology

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