Merck Manual

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Urethra

By

Glenn M. Preminger

, MD, Duke University Medical Center

Last full review/revision Jun 2019| Content last modified Jun 2019
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The urethra is a tube that drains urine from the bladder out of the body. In men, the urethra is about 8 inches (20 centimeters) long, ending at the tip of the penis. In women, the urethra is about 1½ inches (4 centimeters) long, ending at the vulva (the area of the external female genital organs).

Urethra in the Male

Urethra in the Male
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