Learning anatomy/Urethra
Anatomy edit
Male and female urethras are different.
Male edit
The first thing at the bottom of the urethra is called the penis. Then there is the spongy urethra and then there is the membranous urethra. The prostatic urethra is last.
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Female edit
The parts of the female urethra are the muscular, erectile, and mucous parts but no penis.
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Function edit
The internal urethral sphincter opens itself. The external sphincter is what we control to open and when that sphincter is open it goes into the toilet. It passes through the penis in men.