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tricuspid valve

tricuspid valve (right atrioventricular valve) A valve, consisting of three flaps, situated between the right atrium and the right ventricle of the mammalian heart. When the right ventricle contracts, forcing blood into the pulmonary artery, the tricuspid valve closes the aperture to the atrium, thereby preventing any backflow of blood. The valve reopens to allow blood to flow from the atrium into the ventricle. Compare bicuspid valve.

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tricuspid valve

tricuspid valve (try-kusp-id) n. the valve in the heart between the right atrium and right ventricle. It consists of three cusps that channel the flow of blood from the atrium to the ventricle and prevent any backflow.

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"tricuspid valve." A Dictionary of Nursing. . Encyclopedia.com. 23 Jun. 2018 <http://www.encyclopedia.com>.

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