One of the four structures within the heart that prevent backflow of blood by opening and closing with each heartbeat. The valves include two semilunar valves, the aortic and pulmonary; the mitral or bicuspid valve; and the tricuspid valve. The valves permit blood flow in only one direction.

Local Unique Identifier

0000818

Synonym

cardiac valve (RELATED)

Children

• hog:0001393 semilunar valve
• hog:0001472 atrioventricular valve

Relation BFO:0000050 part of

hog:0000276