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540s

Centuries: 5th century - 6th century - 7th century

Decades: 490s - 500s - 510s - 520s - 530s - 540s - 550s - 560s - 570s - 580s - 590s

Years: 540 541 542 543 544 545 546 547 548 549 550


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Urethra

... urination. In the human female, the urethra is about 1-1.5 inches (25-38 mm) long and opens in the vulva between the clitoris and the vaginal opening. In the human ...

 
 
 
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