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Year : 2012  |  Volume : 13  |  Issue : 4  |  Page : 132-135

Study of mitral valve in human cadaveric hearts

Department of Anatomy, Rural Medical College, Maharashtra, India

Correspondence Address:
S A Gunnal
Department of Anatomy, Rural Medical College, Post. Loni, Tal. Rahata, Dist. Ahmednagar, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1995-705X.105729

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Objectives: The mitral valve is a complex structure that is altered by disease states. The classical image of the mitral valve is a bicuspid valve with two leaflets and two papillary muscles. The reason for the present study is to study the morphology and morphometry of the mitral valve. Materials and Methods: This study was carried out on 116 human cadaveric hearts. Hearts were opened along the left border through the atrioventricular valve. The diameter and circumference of the annulus was measured and the number of valve leaflets was observed. Results: The mean annular diameter was 2.22 cm. The mean circumference of mitral valve annulus was 9.12 cm. The standard description of the mitral valve is bicuspid. In the present study, we found the number of cusps to be variable, from monocuspid to hexacuspid and classified them accordingly. Conclusions: The mitral valve is not always a bicuspid valve. The number of cusps varies greatly. An increase in the number of the cusp and their improper approximation most likely causes various valvular disorders.

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