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 One of the most common is a condition called myxomatous degenerative mitral valve disease. — Mayo Clinic News Network, chicagotribune.com, "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, chicagotribune.com, "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 Another Shone’s Complex issue was Brody’s misshapen mitral valve that didn’t work . — Michelle Matthews | Mmatthews@al.com, al, "Because of his son Brody, meteorologist Jason Simpson has a heart for helping others," 3 Sep. 2019 Heart-valve disease can afflict one valve or several in combination, but the aortic and mitral valves are the ones most frequently affected. — Marlene Cimons, Washington Post, "Latest heart valve treatment allows more patients to avoid open-heart surgery," 10 June 2018 Rejuvenate wants to start by extending the lifespans of Cocker spaniels and Doberman pinschers, who are prone to fatal heart diseases like ailment mitral valve disease, which kills about half of Cavalier King Charles spaniels by age 10. — Laura Yan, Popular Mechanics, "This Secretive Harvard Startup is Trying to Reverse Aging," 13 May 2018 Jeanette The tiny bacteria multiplied quickly in her heart, settling like clinging caterpillar feet on the delicate leaflets of her mitral valve. — Tom Hallman Jr., OregonLive.com, "The meaning of a mother's love through a doctor's diary: Tom Hallman," 12 May 2018

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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Last Updated

14 Feb 2020

Cite this Entry

“Mitral valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mitral%20valve. Accessed 18 Feb. 2020.

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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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