| tricuspid valve n. The three-segmented valve of the heart that keeps blood in the right ventricle from flowing back into the right atrium. |
| tricuspid valve A valve of the heart, usually having three cusps, that is located between the right atrium and right ventricle. The tricuspid valve prevents the backflow of blood to the right atrium. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  tricuspid 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 contractsatrioventricular valve - either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium |
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