tricuspid : Idioms & Phrases
Index
Tricuspid valve
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noun valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
right atrioventricular valve.
WordNet
(Anat.) , the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; sometimes called thetricuspid valves , each flap being regarded as a valve.