A small nodular mass of specialized muscle fibers located in the interatrial septum near the opening of the coronary sinus. It gives rise to the atrioventricular bundle of the conduction system of the heart.
Synonyms: Node, Atrio-Ventricular, Nodes, Atrio-Ventricular, Nodes, Atrioventricular, Atrio-Ventricular Nodes, Atrioventricular Nodes, Atrioventricular Node, Atrio Ventricular Node, Node, Atrioventricular, AV Node, Node, A-V, A-V Node, Nodes, A-V, A V Node, Nodes, AV, Atrio-Ventricular Node, AV Nodes, Node, AV, A-V Nodes
Instance information
comment
91; was see under HEART CONDUCTION SYSTEM 1975-90 ,search HEART CONDUCTION SYSTEM 1966-74 ,91(75); was see under HEART CONDUCTION SYSTEM 1975-90
identifier
D001283
Instance relations
Types