Also found in: Dictionary, Thesaurus, Financial, Encyclopedia, Wikipedia.
One of the specialized cardiac muscle fibers, part of the impulse-conducting network of the heart, that rapidly transmit impulses from the atrioventricular node to the ventricles.
A cardiac muscle cell beneath the endocardium of the ventricles of the heart. These extend from the bundle branches to the ventricular myocardium and form the last part of the cardiac conduction system.
See also: Purkinje, Johannes E. von