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 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 Another Shone’s Complex issue was Brody’s misshapen mitral valve that didn’t work . Michelle Matthews |, 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

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.

See More

First Known Use of mitral valve

1696, in the meaning defined above

Keep scrolling for more

Learn More about mitral valve

Time Traveler for mitral valve

Time Traveler

The first known use of mitral valve was in 1696

See more words from the same year

Statistics for mitral valve

Last Updated

28 Feb 2020

Cite this Entry

“Mitral valve.” Dictionary, Merriam-Webster, Accessed 4 Apr. 2020.

Keep scrolling for more

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

Rhyming Dictionary: Words that rhyme with mitral valve Encyclopedia article about mitral valve

Comments on mitral valve

What made you want to look up mitral valve? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Name that Thing: Flower Edition

Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!