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Anatomy of the prostate

Male pelvic organs, showing the prostate, bladder, urethra, and rectum, with detail showing the urethra passing through the prostate.

The prostate is a small, walnut-shaped organ that produces most of the fluid in semen. It lies just below the bladder. It surrounds the urethra, the tube that carries urine through the penis and out of the body.

Current as of: November 15, 2023

Author: Healthwise Staff
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