Definition that contains heart valve
- murmur an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves
- leaflet a thin triangular flap of a heart valve
- cusp a thin triangular flap of a heart valve
- regurgitation backflow of blood through a defective heart valve
- endocarditis inflammation of the endocardium and heart valves
- semilunar valve a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart
- open-heart surgery heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired
- endocardium the membrane that lines the cavities of the heart and forms part of the heart valves
- atrioventricular valve either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
- subacute bacterial endocarditis a chronic bacterial infection of the endocardium and heart valves; symptoms develop slowly