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why is vas deferens long in human males?

Asked by nithi 13th March 2013, 11:57 AM
Answered by Expert
Vas deferens is a thick walled tube that conveys mature sperm from the epididymis to the ejaculatory duct. It is about 18 inches long, arising from the lower end of the epididymis. It then passes through the inguinal canal to enter the pelvic cavity. Further it passes downward and backward on the lateral wall of the pelvis and crosses the ureter. The terminal part of the vas deferens runs on the posterior surface of the bladder where it is dilated to form the ampulla of vas deferens. The inferior end of the ampulla narrows down and joins the duct of seminal vesicle to form the ejaculatory duct.
Answered by Expert 14th March 2013, 7:59 AM
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