Not just the leaflet: The mitral valve has two leaflets that open and shut. However, there is an important supporting structure. The leaflets attach to thin chordae tendinae, dental floss-like chords that connect leaflets to papillary muscles. The pap muscles are bands of muscle tissue arising from the wall of the heart, whose contraction and relaxation transmit force to the leaflets.
Answered 5/12/2015
6.3k views
See below: A picture is worth a thousand words: see http://www.Bing.Com/images/search?Q=mitral+valve&id=b629616fa1131ef62bfb44820075cf6f6b4b8673&form=iqfrba the mitral valve has 2 leaflets tethered by chordae tendinae, attached to 2 papillary muscles and bordered by the fibrous mitral annulus.
Answered 10/20/2013
4.9k views
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