posterior cusp of mitral valve

Definition: the dorsally placed and smaller of the two leaflets that come together during ventricular systole to close the left atrioventricular orifice; it attaches to the mural aspect of the orifice.

Synonym(s): cuspis posterior valvae atrioventricularis sinistraeTA, cuspis posterior valvae mitralis, posterior cusp of left atrioventricular valve

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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