mitral valve

noun

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Two patients have successfully had their mitral valve, which controls blood flow between the upper and lower chambers of the second side of the heart, replaced by robotic surgery. Amy Feldman, Forbes, 12 Mar. 2025 After triple bypass and mitral valve repair surgery at the age of 89, a pacemaker was installed in my chest. Si Liberman, Hartford Courant, 10 Mar. 2025 Using robotics allows surgeons to comfortably maneuver in places that are otherwise quite restrictive, including the pelvis or the left atrium, where the mitral valve is located and where Sloane Guy often works. Avery Hurt, Discover Magazine, 5 Mar. 2025 Her family was told that her heart’s mitral valve had holes in it and would ultimately fail. Vanessa Etienne, People.com, 28 Feb. 2025 See All Example Sentences for mitral valve

Word History

First Known Use

1696, in the meaning defined above

Time Traveler
The first known use of mitral valve was in 1696

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Cite this Entry

“Mitral valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mitral%20valve. Accessed 1 Apr. 2025.

Medical Definition

mitral valve

noun
: 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

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