tricuspid valve


Definition of tricuspid valve

: a valve of three flaps that prevents reflux of blood from the right ventricle to the right atrium

Examples of tricuspid valve in a Sentence

Recent Examples on the Web The defect, which affects the tricuspid valve — the valve that sits between the two right heart chambers — has left her with lung disease and severe chronic pulmonary hypertension. Eric Todisco,, "Texas Court Rules in Favor of Mother to Keep Baby on Life Support While Doctors Say Child Is Suffering," 6 Jan. 2020 Tinslee was born with Ebstein Anomaly, which, according to Cincinnati Children’s Hospital, is an abnormality in the tricuspid valve, which separates the right atrium from the right ventricle, and affects normal blood flow. Fox News, "Court order prevents hospital from removing 9-month-old's life support as family looks for new facility," 12 Nov. 2019 Interventricular septum, tricuspid valve, papillary muscles. Megan Stielstra, Longreads, "Here is My Heart," 19 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tricuspid valve.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tricuspid valve

1670, in the meaning defined above

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Time Traveler for tricuspid valve

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The first known use of tricuspid valve was in 1670

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Cite this Entry

“Tricuspid valve.” Dictionary, Merriam-Webster, Accessed 6 Mar. 2021.

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More Definitions for tricuspid valve

tricuspid valve


Medical Definition of tricuspid valve

: a valve that is situated at the opening of the right atrium of the heart into the right ventricle and that resembles the mitral valve in structure but consists of three triangular membranous flaps

called also right atrioventricular valve

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