Assertion: mitral valve | /r/CapableOf | guard atrioventricular openings
Facets:
value: between the upper (atria)
type: LOCATION
Source sentences:
text: The bicuspid valve, also known as the mitral valve and the tricuspid valve, guard the atrioventricular openings between the upper (atria) and the lower (ventricles) chambers of the heart, and are therefore referred to as the atrioventricular valves.