Letter V

Valve, mitral

One of the four valves of the heart, the mitral valve is situated between the left atrium and the left ventricle.

It permits blood to flow one way: from the left atrium into the left ventricle.

The mitral valve has two flaps (cusps) and so is called 'mitral' because it looks like a bishop's miter or headdress.

Also known as the bicuspid valve.

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