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Definition of Bicuspid valve

Bicuspid valve: One of the four valves of the heart, this valve is situated between the left atrium and the left ventricle. It permits blood to flow one way only, from the left atrium into the left ventricle This valve is more commonly called the mitral valve because it has two flaps (cusps) and looks like a bishop's miter or headdress.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=6558
Last Editorial Review: 8/28/2013

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