Dictionary Home »
Medical Definitions » bundle of His
bundle of His medical definition
noun
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. It conducts the electrical impulse that regulates the heartbeat from the right atrium to the ventricles. Also called atrioventricular bundle, His bundle.
Learn more about bundle of His