tricuspid valve

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Related to Atrioventricular valves: Semilunar valves

tricuspid valve

n.
The three-segmented valve of the heart that keeps blood in the right ventricle from flowing back into the right atrium.

tricus′pid valve`


n.
a valve of the heart, composed of three flaps, that keeps blood from flowing backward from the right ventricle into the right atrium.
Compare mitral valve.
[1660–70]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tricuspid valve - valve with three cuspstricuspid valve - 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
atrioventricular valve - either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
References in periodicals archive ?
Histological organization of the right and left atrioventricular valves of the chicken heart and their relationship to the atrioventricular Purkinje ring and the middle bundle branch.
A hyperechoic thin wall separating the two atria was visualized, and two atrioventricular valves could be seen as being thin, hyperechoic and monocuspid at the end of the same lines where the opening formed the aspect of an inverted "Y" (Figure 1A, B and C).
The mechanism of regurgitation was due to tethering of the leaflets owing to papillary muscle shortening and annular dilation, as the chordae and leaflets were normal, the jets were central, and there was tip-to-tip coaptation of the leaflets of atrioventricular valves.
7 cm CVRL, atrioventricular valves were first marked at the point where atrioventricular canal opened into ventricles.
In addition, a 5-mm rim of tissue around the defect is a prerequisite to prevent obstruction of the coronary sinus, right pulmonary veins, vena cavae, or atrioventricular valves.
Complete transposition of the atrioventricular valves associated with left ventricular apical hypoplasia.
In our study atrioventricular valves showed thinning of leaflets in group A which was presumably due to apoptosis of cells; however, there was no change in the endocardium.
2]), produced by the closing of the atrioventricular valves and semilunar valves.