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ball valves
plural of ball valve
heart valves
plural of heart valve
semilunar valves
plural of semilunar valve
semilunar valve
(anatomy) Either of the two crescent-shaped valves in the heart that prevent backflow from the arteries into the ventricles.
ileocecal valve
(anatomy) A sphincter muscle valve that separates the small intestine and the large intestine. Its critical function is to limit the reflux of colonic contents into the ileum.
valve of Varolius
overhead valves
plural of overhead valve
ball valve
A contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. / (proscribed) A ballcock valve.
plug valve
A tapering valve which turns in a case like the plug of a faucet.
clack valve
(engineering) A valve; especially one hinged at one edge, which, when raised from its seat, falls with a clacking sound.