vas deferens

vas deferens

[vas def-uh-renz, -er-uhnz]
noun, plural vasa deferentia [vey-suh def-uh-ren-shee-uh, -shuh] . Anatomy, Zoology.
the duct that transports the sperm from the epididymis to the penis.
See also vas efferens.

1880–85; < Neo-Latin vās dēferēns literally, ‘vessel for carrying off’. See vas, deferent2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
vas deferens (ˈvæs ˈdɛfəˌrɛnz)
n , pl vasa deferentia
anatomy the duct that conveys spermatozoa from the epididymis to the urethra
[C16: from New Latin, from Latin vās vessel + deferēns, present participle of deferre to bear away]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

vas deferens vas def·er·ens (vās' děf'ər-ənz, -ə-rěnz')
n. pl. vasa def·er·en·ti·a (děf'ə-rěn'shē-ə)
The main secretory duct of the testicle, through which semen is carried from the epididymis to the prostatic urethra, where it ends as the ejaculatory duct. Also called deferent duct, spermatic duct, spermiduct.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
vas deferens   (vās' děf'ə-rěnz')  Pronunciation Key 
Plural vasa deferentia (vā'zə děf'ə-rěn'shē-ə)
Either of two ducts through which sperm passes from a testis to the outside of the body. In mammals, the vas deferens connects the testis to the urethra.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica

vas 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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