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Wolffian duct

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Wolffian duct

 
–noun (sometimes lowercase) Embryology.
a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.
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Origin:
1875–80; named after K. F. Wolff; see -ian
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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Wolffian duct  
n.  The embryonic duct of the mesonephros, which in the male becomes the vas deferens and in both sexes gives rise to the ureter.

[After Kaspar Friedrich Wolff.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: Wolffian duct
Function: noun
: the duct of the mesonephros that persists in the female chiefly as part of the epoophoron and in the male as the duct systemleaving the testis and including the epididymis, vas deferens, and ejaculatory duct called also Leydig's duct, mesonephric duct
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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wolffian duct n.
A duct in the embryo draining the mesonephric tubules, becoming the vas deferens in the male and forming vestigial structures in the female. Also called mesonephric duct.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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