Card Set Information
What is composed of an internal pacemaker and nerve like conduction pathways through the myocardium?
Cardiac Conduction System
What is the patch of modified cardiocytes in the right atrium?
What starts each heartbeat?
What acts as an electrical gateway to ventricles?
What is the name of the pathway in which signals leave the Atrioventricular Node?
AV Bundle or Bundle of His
What distributes electrical excitation to the cardiocytes of the ventricles?
A mass of merging cells acts as a unit in the atrial and ventricle walls is what?
What network of cardiac muscle cells connected by intercalated disks that lends to the contraction of the atria?
What network of cardiac muscle cells connected by a gap junction that leads to contraction of ventricles?