mitral valve

noun

, Anatomy.

1. the valve between the left atrium and left ventricle of the heart, consisting of two triangular flaps of tissue, that prevents the blood from flowing back into the atrium.

mitral valve

noun

1. the valve between the left atrium and the left ventricle of the heart, consisting of two membranous flaps, that prevents regurgitation of blood into the atrium Also calledbicuspid valve

mitral valve

/ mī′trəl /

1. A valve of the heart, composed of two triangular flaps, that is located between the left atrium and left ventricle. The mitral valve regulates blood flow between the two chambers.

Word History and Origins

Origin of mitral valve¹

First recorded in 1685–95

Example Sentences

In addition to the transcatheter tricuspid valve repair procedure, the medical center's cardiac services offer several minimally invasive catheter-based mitral valve procedures.

From Science Daily

To better understand the mitral valve in healthy and diseased states, the team built a biorobotic heart based on a pig heart.

From Science Daily

The clipping device used is similar to a successful one used to treat patients with damage to another part of the heart, the mitral valve.

From New York Times

Her operation was led by heart surgeon Narain Moorjani, who diagnosed mitral valve regurgitation, where some blood flows the wrong way in the heart because the mitral valve does not close properly.

From BBC

In the following years, she was diagnosed with two heart conditions: AVNRT, which results from an extra pathway in the heart, and mitral valve disease, in which a major valve doesn’t work properly.

From Washington Post