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

His heart had never regained its old power, and his mitral valve was quite unable to fulfill its function.

From Project Gutenberg

I gave him a sample of what TK means when it's clamped on the mitral valve.

From Project Gutenberg

That of the left ventricle has only two flaps, and is therefore often spoken of as the bicuspid or mitral valve.

From Project Gutenberg

The left-side valve is the mitral valve, that between the right auricle and ventricle the tricuspid valve.

From Project Gutenberg

The intake valve on the left side of the heart, which is composed of but two flaps, is known as the mitral valve.

From Project Gutenberg