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[ey-tree-oh-ven-trik-yuh-ler] /ˌeɪ tri oʊ vɛnˈtrɪk yə lər/
adjective, Anatomy.
of or relating to the atria and ventricles of the heart.
Abbreviation: AV, A-V.
Origin of atrioventricular
1855-60; < New Latin atrio- (combining form of atrium heart chamber; see atrium, -o-) + ventricular Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for atrioventricular


adjective (anatomy)
of, relating to, or affecting both the atria and the ventricles of the heart: atrioventricular disease
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
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atrioventricular in Medicine

atrioventricular a·tri·o·ven·tric·u·lar (ā'trē-ō-věn-trĭk'yə-lər)
Abbr. A-V
Of or relating to the atria and the ventricles of the heart.

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