Papillary muscle (left ventricle, anatomy)
The papillary muscles of the left ventricle are very variable in their morphology. Usually, there are two main muscles:
- anterior:
- larger of the two
- originate from sternocostal surface of left ventricular myocardium
- posterior: originates from inferior wall of ventricle
The chordae tendineae of any one papillary muscle diverge to insert into regions of both valve leaflets.
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