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One entry found for vas deferens.
Main Entry: vas def·er·ens
Pronunciation: -primarystressdef-schwa-rschwanz, -secondarystressrenz
Function: noun
Inflected Form(s): plural vasa def·er·en·tia /-secondarystressdef-schwa-primarystressren-ch(emacron-)schwa/
: a sperm-carrying duct especially of a higher vertebrate that in humans is a small but thick-walled tube about two feet (0.6 meter) long formed by the union of the vasa efferentia, is greatly convoluted in its proximal portion, begins at and is continuous with the tail of the epididymis, runs in the spermatic cord through the inguinal canal, and descends into the pelvis where it joins the duct of the seminal vesicle to form the ejaculatory duct -- called also ductus deferens, spermatic duct
[vas deferens illustration]

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