atrioventricular septum

n.

The small part of the membranous septum of the heart just above the septal cusp of the tricuspid valve, separating the right atrium from the left ventricle.

Words nearby atrioventricular septum

atrioventricular groove, atrioventricular interval, atrioventricular nodal extrasystole, atrioventricular nodal rhythm, atrioventricular node, atrioventricular septum, atrip, atrium, atroceruleous, atrocious, atrocious assault and battery