The Heart Valves - Tricuspid - Aortic - Mitral - TeachMeAnatomy

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The valves of the heart are structures which ensure blood flows in only one direction. They are composed of connective tissue and endocardium (the inner layer of the heart).

There are four valves of the heart, which are divided into two categories:

  • Atrioventricular valves: The tricuspid valve and mitral (bicuspid) valve. They are located between the atria and corresponding ventricle.
  • Semilunar valves: The pulmonary valve and aortic valve. They are located between the ventricles and their corresponding artery, and regulate the flow of blood leaving the heart.

In this article, we will look at the anatomy of these valves – their structure, function, and their clinical correlations

By OpenStax College [CC BY 3.0], via Wikimedia Commons Fig 1 - The four valves of the heart, visible with the atria and great vessels removed.

Fig 1The four valves of the heart, visible with the atria and great vessels removed.

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