Found 2 items, similar to Tricuspid valve.
English → English (WordNet) Definition: tricuspid valve tricuspid valve n : 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 [syn: right atrioventricular valve]
English → English (gcide) Definition: Tricuspid valve Tricuspid \Tri*cus"pid\, a. [L. tricuspis, -idis; tri- (see Tri-) + cuspis a point: cf. F. tricuspide.] 1. Having three cusps, or points; tricuspidate; as, a tricuspid molar. [1913 Webster] 2. (Anat.) Of or pertaining to the tricuspid valves; as, tricuspid obstruction. [1913 Webster] Tricuspid valve (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 the tricuspid valves, each flap being regarded as a valve. [1913 Webster]