Bicuspid or tricuspid valves, depending on which side of the heart you are talking about
S1 which is the closing of the atrioventricular valves.
The atrioventricular valves.
The bicuspid valve.
Cuspid valves are right and left atrioventricular (AV) valves.
Coronary sulcus
During heart contraction
It means "atrioventricular". It refers to the valves between the atria and the ventricles.
The atrioventricular valves are held in place by the chordea tendeae. These tendons are chord like structures that stiffen to close the valve.
The right atrioventricular valve.
The papillary muscles are muscles located in the ventricles of the heart. The role of the papillary muscle is to prevent inversion or prolapse or the atrioventricular valves.
atrioventricular
chordae tendineae