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

The Starr-Edwards mitral valve, implanted successfully for the first time on Sept. 21, 1960, was the first commercially available artificial heart valve ever made. —Josh Brown,sean Russo, CNBC, 28 May 2026

Hashim said the health issue, leaky mitral valve disease, does not follow a law or rule of genetic inheritance, but occasionally there can be a family pattern. —Helen I. Bennett, Hartford Courant, 7 May 2026

These soft robotic parts contract to copy the movement of the ventricle and the natural motion of the mitral valve. —Munis Raza, Interesting Engineering, 5 Mar. 2026

Her health issues started in her 20s when she was put on blood thinners due to a heart mitral valve prolapse (MVP) diagnosis and later a heightened leaky valve. —Sue Carswell, PEOPLE, 25 Nov. 2025

Word History

First Known Use

1696, in the meaning defined above

Rhymes for mitral valve

• bivalve

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