Term heart valve

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
Relation BFO:0000050 part of
hog:0000276