part of part of connected to contributes to morphology of interatrial septum conducting system of heart atrioventricular node A-V node MAT:0000498 TAO:0005070 NCIT:C32161 BTO:0005689 nodus atrioventricularis EMAPA:35153 MESH:D001283 FMA:9478 EHDAA2:0004183 Aschoff-Tawara node atriovetricular node MA:0000095 Wikipedia:Atrioventricular_node downstream pacemaker nodus atrioventricularis An area of conducting tissue between the atria and the ventricles of the heart that conducts the normal electrical impulse from the atria to the ventricles. VHOG:0001474 SCTID:277688002 AV node ZFA:0005070 node of Tawara AV nodal muscle tissue UBERON:0002352 atrioventricular nodal muscle tissue atrio-ventricular node EFO:0000276 GAID:558 cardiac muscle tissue of interatrial septum cardiac muscle tissue of myocardium crista terminalis conducting tissue of heart