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atrioventricular trunk

atrioventricular trunk in Medicine

atrioventricular trunk n.
The bundle of cardiac muscle fibers that begins at the atrioventricular node and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum. Also called atrioventricular bundle, His bundle, ventriculonector.

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