bundle of His
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bundle of His(hĭs)
The bundle of cardiac muscle fibers that conducts the electrical impulses that regulate the heartbeat, from the atrioventricular node in the right atrium to the septum between the ventricles and then to the left and right ventricles. Also called atrioventricular bundle.
[After Wilhelm His, Jr. (1863-1934), Swiss physician.]
a bundle of conducting muscle fibers in the heart leading from the atrioventricular node to the ventricles. Also called bundle of His.
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|Noun||1.||bundle of His - a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract|