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atrioventricular bundle

noun, Anatomy
1.
a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles.
Also called bundle of His.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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atrioventricular bundle in Medicine

atrioventricular bundle n.
See atrioventricular trunk.

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