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vas deferens
vas deferens The tube on each side which leads from the testis to the urethra, carrying sperm and some other components of seminal fluid. Each vas ends by joining the duct of a seminal vesicle, to enter the urethra (the urinary passage) where that traverses the prostate gland. May be closed off by the operation of vasectomy, preventing sperm from entering the ejaculate.
Stuart Judge See urogenital system. |
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Cite this article
COLIN BLAKEMORE and SHELIA JENNETT. "vas deferens." The Oxford Companion to the Body. 2001. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. COLIN BLAKEMORE and SHELIA JENNETT. "vas deferens." The Oxford Companion to the Body. 2001. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O128-vasdeferens.html COLIN BLAKEMORE and SHELIA JENNETT. "vas deferens." The Oxford Companion to the Body. 2001. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O128-vasdeferens.html |
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vas deferens
vas de·fe·rens / ˌvas ˈdefərənz; -ˌrenz/ • n. (pl. va·sa de·fe·ren·ti·a / ˌvāsə ˌdefəˈrensh(ē)ə; ˌvāzə/ ) Anat. the duct that conveys sperm from the testicle to the urethra. |
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Cite this article
"vas deferens." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas deferens." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O999-vasdeferens.html "vas deferens." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-vasdeferens.html |
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vas efferens
vas efferens Any of various small ducts carrying sperm. In reptiles, birds, and mammals they convey sperm from the seminiferous tubules of the testis to the epididymis; in invertebrates they carry sperm from the testis to the vas deferens.
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Cite this article
"vas efferens." A Dictionary of Biology. 2004. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas efferens." A Dictionary of Biology. 2004. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O6-vasefferens.html "vas efferens." A Dictionary of Biology. 2004. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-vasefferens.html |
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vas deferens
vas deferens (vas def-er-ĕnz) n. (pl. vasa deferentia) either of a pair of ducts that conduct spermatozoa from the epididymis to the urethra on ejaculation.
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"vas deferens." A Dictionary of Nursing. 2008. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas deferens." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O62-vasdeferens.html "vas deferens." A Dictionary of Nursing. 2008. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-vasdeferens.html |
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vas deferens
vas deferens One of a pair of ducts carrying sperm from the testis (or epididymis) to the outside, in mammals through the urethra.
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Cite this article
"vas deferens." A Dictionary of Biology. 2004. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas deferens." A Dictionary of Biology. 2004. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O6-vasdeferens.html "vas deferens." A Dictionary of Biology. 2004. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-vasdeferens.html |
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vas deferens
vas deferens see reproductive system ; vasectomy . |
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Cite this article
"vas deferens." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas deferens." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1E1-X-vasdefer.html "vas deferens." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-vasdefer.html |
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vas deferens
vas deferens
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•Colossians • Sextans • Buttons
•Evans • Stevens • Ovens • Onions
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Cite this article
"vas deferens." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. "vas deferens." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O233-vasdeferens.html "vas deferens." Oxford Dictionary of Rhymes. 2007. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-vasdeferens.html |
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