Valve, tricuspid
One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the heart. The tricuspid valve is situated between the right atrium and right ventricle and allows blood to flow only from the atrium into the ventricle.

Medical dictionary. 2011.

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  • valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure …   Medical dictionary

  • valve — n. a structure found in some tubular organs or parts that restricts the flow of fluid within them to one direction only. Valves are important structures in the heart, veins, and lymphatic vessels. Such a valve consists of two or three cusps… …   The new mediacal dictionary

  • 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,… …   The Collaborative International Dictionary of English

  • 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… …   The Collaborative International Dictionary of English

  • tricuspid valves — 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,… …   The Collaborative International Dictionary of English

  • tricuspid — [trī kus′pə dāt΄trī kus′pid] adj. [L tricuspis (gen. tricuspidis): see TRI & CUSP] 1. having three cusps, or points [a tricuspid tooth]: also tricuspidate [trī kus′pə dāt΄] 2. designating or of a valve with three flaps, between the right auricle… …   English World dictionary

  • tricuspid insufficiency — tricuspid valve insufficiency incomplete closure of the tricuspid valve, resulting in tricuspid regurgitation; it is usually secondary to systolic overload in the right ventricle …   Medical dictionary

  • Valve of coronary sinus — Valve of the coronary sinus Interior of right side of heart. (Valve of the coronary sinus labeled at bottom left.) Latin valvula sinus coronarii Gray s …   Wikipedia

  • Valve replacement — surgery is the replacement of one or more of the heart valves with either an artificial heart valve or a bioprosthesis (homograft from human tissue or xenograft e.g. from pig).There are four procedures: * Aortic valve replacement * Mitral valve… …   Wikipedia

  • tricuspid anulus — tricuspid valve anulus see a. fibrosus dexter/sinister cordis …   Medical dictionary

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