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 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, "Rep Barr's heart health bill honoring late wife gets boost from McConnell, Sinema," 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,, "Texas volleyball’s Asjia O’Neal not deterred by two open-heart surgeries," 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, "Details announced for Carol Leavell Barr's visitation, funeral in Lexington," 20 June 2020 University Hospitals Harrington Heart & Vascular Institute is participating in the Apollo Trial to evaluate an investigational procedure called transcatheter mitral valve replacement (TMVR) with a prosthetic valve called Intrepid. Ginger Christ, cleveland, "Cleveland hospitals ‘get to the heart’ of new cardiac health innovations," 16 Feb. 2020 One of the most common is a condition called myxomatous degenerative mitral valve disease. Mayo Clinic News Network,, "Mitral valve repair with minimally invasive heart surgery," 6 Dec. 2019 The mitral valve may need to be repaired for a number of reasons. Mayo Clinic News Network,, "Mitral valve repair with minimally invasive heart surgery," 6 Dec. 2019 The company plans to hire manufacturing and operations positions for the facility, which will produce Abbott's MitraClip transcatheter mitral valve repair system. Kaitlin Lange, Indianapolis Star, "Another jobs announcement in Westfield: Medical device facility to bring over 450 jobs," 29 Oct. 2019 The mitral valve in Maria Eliset Centeno Hernandez's heart had been damaged from a bout with rheumatic fever at age 9. oregonlive, "The tragic, redemptive journey of one human heart," 5 Oct. 2019

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.

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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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Statistics for mitral valve

Last Updated

17 Apr 2021

Cite this Entry

“Mitral valve.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

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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

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