Assertion: aortic valve | /r/CapableOf | comprise three semilunar cusps
Facets:
value: to allow unidirectional blood flow
type: PURPOSE
Source sentences:
text: The aortic valve (AV), located at the base of the aorta, comprises three semilunar cusps and functions to allow unidirectional blood flow from the left ventricle into the systemic circulation.