vaso-

vaso-

a combining form meaning “vessel,” used in the formation of compound words: vasoconstrictor.
Also, especially before a vowel, vas-.


Origin:
< Latin vās vessel + -o-

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World English Dictionary
vaso- or (before a vowel) vas-
 
combining form
1.  indicating a blood vessel: vasodilator
2.  indicating the vas deferens: vasectomy
 
[from Latin vās vessel]
 
vas- or (before a vowel) vas-
 
combining form
 
[from Latin vās vessel]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

vaso- or vas-
pref.

  1. Blood vessel: vasoconstriction.

  2. Vas deferens: vasectomy.

  3. Vessel: vasiform.

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