in males and females.

Structure

The urethra is a fibrous and muscular tube which connects the urinary bladder to the external urethral meatus. Its length differs between the sexes, because it passes through the penis in males.

Male

In the human male, the urethra is on average 18 to 20 cm long and opens at the end of the external urethral meatus.

The urethra is divided into four

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