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mitral valve

American  

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 British  

noun

  1. Also called: bicuspid valve.  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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mitral valve Scientific  
/ mītrəl /
  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.


Etymology

Origin of mitral valve

First recorded in 1685–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dogs and cats that have been selectively bred for appearance and livestock bred for productivity show higher rates of conditions such as diabetes and mitral valve disease.

From Science Daily

It is moving into other areas of cardiovascular disease, such as mitral valve replacement and tricuspid valve replacement.

From Barron's

For example, the mitral valve can be repaired with a catheter-based system.

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