ductus deferens

ductus deferens

noun
a duct that carries spermatozoa from the epididymis to the ejaculatory duct [syn: vas deferens
WordNet® 3.0, © 2006 by Princeton University.
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Encyclopedia Britannica
Encyclopedia

ductus deferens

thick-walledthick-walled tube in the male reproductive system that transports sperm cells from the epididymis, where the sperm are stored prior to ejaculation. Each ductus deferens ends in an enlarged portion, an ampulla, which acts as a reservoir. There are two ductus deferentes, identical in structure and function, which emerge from the two epididymides.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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