bundle of His
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.
Origin of bundle of HisAfter Wilhelm His, Jr. (1863–1934), Swiss physician.
(plural bundles of His)
- Named for Swiss cardiologist Wilhelm His, Jr., who discovered the function of these cells in 1893.