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

Left ventricle: This lower chamber receives oxygenated blood from the left atrium (through the mitral valve) and pumps it to the body through the aortic valve. —Patty Weasler, Rn, Bsn, Verywell Health, 13 Feb. 2025

Mary Alice was diagnosed with a congenital heart defect at four months and underwent four open-heart surgeries to receive a new mitral valve. —Samantha Moilanen, Chicago Tribune, 11 Feb. 2025

The obstructive form, which represents about two-thirds of the entire HCM population, occurs when the mitral valve moves abnormally, in a manner that causes obstruction of blood flow between the heart and the aorta. —Perri Ormont Blumberg, TIME, 30 Dec. 2024

When the tricuspid and mitral valves close, the ventricles squeeze (contract) and pump blood. —Colleen Doherty, Verywell Health, 2 Dec. 2024

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