| tritubercular | 1. Having three cusps, or points; tricuspidate; as, a tricuspid molar. 2. <anatomy> Of or pertaining to the tricuspid valves; as, tricuspid obstruction. <anatomy> Tricuspid valve, 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. Origin: L. Tricuspis, -idis; tri- (see Tri-) + cuspis a point: cf. F. Tricuspide. Source: Websters Dictionary (01 Mar 1998) |
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