| Definition of 'bundle of his' |
Princeton's WordNet |
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1. (noun) atrioventricular bundle, bundle of His, atrioventricular trunk, truncus atrioventricularis
a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract
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| Definition of 'bundle of his' |
U.S. National Library of Medicine |
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1. bundle of his
Small band of specialized CARDIAC MUSCLE fibers that originates in the ATRIOVENTRICULAR NODE and extends into the membranous part of the interventricular septum. The bundle of His, consisting of the left and the right bundle branches, conducts the electrical impulses to the HEART VENTRICLES in generation of MYOCARDIAL CONTRACTION.
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