tricuspid

tricuspid /tri·cus·pid/ (tri-kus´pid) having three points or cusps, as a valve of the heart.

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tri·cus·pid (tr-kspd)

n.

An organ or a part, especially a tooth, having three cusps.

adj. also tri·cus·pi·dal (-p-dl) or tri·cus·pi·date (-p-dt)

1. Having three points, prongs, or cusps.

2. Of or relating to the tricuspid valve.

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tricuspid

[trīkus′pid]

Etymology: Gk, treis, three; L, cuspis, point

1  adj, pertaining to three points or cusps.

2  adj, pertaining to the tricuspid valve of the heart.

3  n, a tooth with three points or cusps, rare in humans. Also called tricuspal, trident, tridentate.

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tricuspid

having three points or cusps, as a valve of the heart.

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tricuspid dysplasia

a congenital defect of the tricuspid heart valve commonest in cats. There is a variety of forms of the defect which causes enlargement of the right atrium and ventricle. See also ebstein's anomaly.

tricuspid insufficiency

a functional incompetence that may be caused by rupture of the chordae tendineae of the tricuspid valve, bacterial endocarditis, heartworms, endocardiosis or congenital anomalies, resulting in regurgitation of blood from the right ventricle into the right atrium during systole.

tricuspid regurgitation

see tricuspid insufficiency (above).

tricuspid valve

the valve located between the right atrium and right ventricle. Called also right atrioventricular valve.