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February 9, 2012 |
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image:male anatomy.png|thumb|350px|Male Anatomy The vas deferens, also called ductus deferens, (Latin: "carrying-away vessel") is part of the human male anatomy. There are two of them; they are muscular tubes (surrounded by smooth muscle) connecting the left and right epididymis to the ejaculatory ducts in order to move sperm. Each tube is about 30 centimeters long. During ejaculation the wall of the vas deferens thickens and thins itself, thus propelling the sperm forward. The sperm are transferred from the vas deferens into the urethra, collecting fluids from the male accessory sex glands en route. Vasectomy is a method of contraception where the vasa deferensa are permanently cut. anatomy-stub reproductive_system Category:Andrology Category:Reproductive system de:Samenleiter nl:Zaadleider sl:Semenovod zh:????????? This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "vas deferens".
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