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.
|Primary Medical Reviewer||E. Gregory Thompson, MD - Internal Medicine|
|Specialist Medical Reviewer||J. Curtis Nickel, MD, FRCSC - Urology|
|Last Revised||December 3, 2011|