mitral valve


Definition of mitral valve

: a cardiac valve consisting of two triangular flaps which allow only unidirectional blood flow from the left atrium to the left ventricle

called also bicuspid valve

Examples of mitral valve in a Sentence

Recent Examples on the Web Transcatheter valve replacement is already a very important treatment for aortic valve replacement, and may be adopted more commonly with the mitral valve in the future. Dr. Keith Roach, oregonlive, 19 May 2022 Only about 20% of people with a bioprosthetic mitral valve need replacement after 15 years. Dr. Keith Roach, oregonlive, 19 May 2022 And then, something even more unthinkable happened: My best friend and biggest support system was diagnosed with mitral valve disorder. Sammie Spector, Vogue, 7 May 2022 At around age 20, Alan was diagnosed with mitral valve disease. Tim Carman, Washington Post, 7 Feb. 2022 In the following years, she was diagnosed with two heart conditions: AVNRT, which results from an extra pathway in the heart, and mitral valve disease, in which a major valve doesn’t work properly. Washington Post, 27 July 2021 Act funnels $20 million via the National Institutes of Health into researching conditions like mitral valve prolapse, a condition affecting around 2% of the population, including Carol Barr. Evie Fordham, Fox News, 15 Apr. 2021 The erstwhile Southlake Carroll wunderkind was born with a heart murmur and a slight leak in her mitral valve, which helps control the flow of oxygen-rich blood from the lungs to the body. Nick Moyle,, 8 Aug. 2020 Barr, 39, died of natural causes from a heart condition known as mitral valve prolapse, according to a preliminary autopsy report from the Fayette County Coroner's Office. Ben Tobin, The Courier-Journal, 20 June 2020 See More

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

First Known Use of mitral valve

1696, in the meaning defined above

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Time Traveler for mitral valve

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The first known use of mitral valve was in 1696

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Last Updated

10 Jul 2022

Cite this Entry

“Mitral valve.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2022.

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More Definitions for mitral valve

mitral valve


Medical Definition of mitral valve

: a valve in the heart that guards the opening between the left atrium and the left ventricle, prevents the blood in the ventricle from returning to the atrium, and consists of two triangular flaps attached at their bases to the fibrous ring which surrounds the opening and connected at their margins with the ventricular walls by the chordae tendineae and papillary muscles

called also bicuspid valve, left atrioventricular valve

More from Merriam-Webster on mitral valve Encyclopedia article about mitral valve


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