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atrioventricular

[ey-tree-oh-ven-trik-yuh-ler]
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adjective Anatomy.
  1. of or relating to the atria and ventricles of the heart. Abbreviation: AV, A-V
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Origin of atrioventricular

1855–60; < New Latin atrio- (combining form of atrium heart chamber; see atrium, -o-) + ventricular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for atrioventricular

atrioventricular

adjective anatomy
  1. of, relating to, or affecting both the atria and the ventricles of the heartatrioventricular disease
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Word Origin

C19: from atrio-, from New Latin atrium heart chamber (see atrium) + ventricular
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
atrioventricular in Medicine

atrioventricular

(ā′trē-ō-vĕn-trĭk′yə-lər)
adj.
  1. Of or relating to the atria and the ventricles of the heart.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.