| the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle. |
| tricuspid valve n. The three-segmented valve of the heart that keeps blood in the right ventricle from flowing back into the right atrium. |
tricuspid valve n.
The three-segmented valve of the heart that keeps blood in the right ventricle from flowing back into the right atrium. Also called right atrioventricular valve.