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

But mitral valve repairs, a specialty of Lamelas’, are intricate procedures that include setup time and the actual surgery, said Keith Pelletier, a Connecticut healthcare consultant and former healthcare administrator. —Milena Malaver, Miami Herald, 29 June 2024

In severe cases, mitral valve prolapse could lead to serious complications such as heart attack and stroke, according to the organization. —Kimberlee Speakman, Peoplemag, 7 Feb. 2024

The researchers tackled the left side first by focusing on the mitral valve, which controls the flow between the left atrium and ventricle (the heart’s upper and lower chambers). —Payal Dhar, Scientific American, 10 Jan. 2024

After Lucky was diagnosed with mitral valve disease, Randle went in search of a vet that could perform the life-saving heart surgery that Lucky needed. —Caroline Feller-Howard, ABC News, 17 Nov. 2023

Word History

First Known Use

1696, in the meaning defined above

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