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HealthInfo Canterbury

About the prostate

The prostate is a small gland that only men have. It sits just below the bladder and surrounds part of the urethra, the tube that carries urine from the bladder. It's about the size of a walnut.

The prostate gland produces a protein called prostate specific antigen (PSA).

The prostate helps to make semen, which carries sperm from the testicles when a man ejaculates. Because the prostate is a sex gland, its growth is affected by the hormone testosterone.

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Written by HealthInfo clinical advisers. Endorsed by clinical director, Urology, Canterbury DHB. Last reviewed October 2017.

Page reference: 439217

Review key: HIPRH-45800