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atrioventricular bundle

American  

noun

Anatomy.

  1. a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles.

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Hemiblocks are partial and occur within one or more fascicles of the atrioventricular bundle branch.

From Textbooks ● Jun. 19, 2013

Bundle branch blocks occur within either the left or right atrioventricular bundle branches.

From Textbooks ● Jun. 19, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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