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Prostate

Location of prostate below bladder and next to rectum, showing urethra passing through prostate.

The prostate is part of the male reproductive system. It's 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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