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atrioventricular bundle

noun, Anatomy.
a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles.
Also called bundle of His. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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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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