[ vas -def-uh-renz, -er-uhnz ]
/ ˈvæs ˈdɛf əˌrɛnz, -ər ənz /
noun, plural va·sa de·fe·ren·ti·a [vey-suh -def-uh-ren-shee-uh, -shuh]. /ˈveɪ sə ˌdɛf əˈrɛn ʃi ə, -ʃə/. Anatomy, Zoology.
the duct that transports the sperm from the epididymis to the penis.
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a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
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See also vas efferens.
Words nearby vas deferens
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for vas deferens
/ (ˈvæs ˈdɛfəˌrɛnz) /
noun plural vasa deferentia (ˈveɪsə ˌdɛfəˈrɛnʃɪə)
anatomy the duct that conveys spermatozoa from the epididymis to the urethra
Word Origin for vas deferens
C16: from New Latin, from Latin vās vessel + deferēns, present participle of deferre to bear away
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for vas deferens
[ văs′ dĕf′ər-ənz, -ə-rĕnz′ ]
n. pl. vasa def•er•en•ti•a (dĕf′ə-rĕn′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.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.
Scientific definitions for vas deferens
[ văs′ dĕf′ə-rĕnz′ ]
Plural vasa deferentia (vā′zə dĕf′ə-rĕn′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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.