The Collaborative International Dictionary
Vas \Vas\, n.; pl. Vasa. [L., a vessel. See Vase.] (Anat.) A vessel; a duct.
Vas deferens; pl. Vasa deferentia. [L. vas vessel + deferens carrying down.] (Anat.) The excretory duct of a testicle; a spermatic duct.
Wiktionary
n. (context anatomy English) The duct in the testicle that carries semen from the epididymis to the ejaculatory duct.
WordNet
n. a duct that carries spermatozoa from the epididymis to the ejaculatory duct [syn: ductus deferens]
Wikipedia
The vas deferens ( Latin: "carrying-away vessel"; plural: vasa deferentia), also called ductus deferens ( Latin: "carrying-away duct"; plural: ductus deferentes), is part of the male reproductive system of many vertebrates; these vasa transport sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation.
Usage examples of "vas deferens".
This Wolffian duct can either wither away or grow into a seminal vesicle, epididymis, and vas deferens.
With testes present, the opposite happens: androgens stimulate the Wolffian ducts to grow into a male fetus's seminal vesicles, vas deferens, and epididymis.
The Vas Deferens, traditionally a holding pen for unassigned extras, was teeming with sparely dressed young women tottering about in six-inch heels like a herd of spooked deer.
But there was one article on early diagnosis of an obscure cancer of the vas deferens, and better still one encouragingly titled, “.
But then he'll come up here and ask you to come home, and you'll say no, and he'll make a fuss, and Jane will kick him in the vas deferens, and unless that permanently discourages him, and it is discouraging, you'll have to move.
Why had the old man insisted that the doctors connect the vas deferens during his gonad transplant?