Detailed dissection of heart

Interior of left ventricle.

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Image #122-6

Detailed dissection of heart Interior of left ventricle. The anterior cusp of the mitral valve has been freed of its chordal attachments and retracted upward. By this means the posterior cusp of the valve (7), the valvular ostium (6) and the interior of the left atrium have been brought to view. 1 . Right atrioventricular opening 2 . Septal (medial) cusp of tricuspid valve 3 . Muscular part interventricular septum 4 . Anterior cusp of mitral valve (retracted) 5 . Cut edge of wall of left ventricle 6 . Left atrioventricular opening (left atrium visible in background) 7 . Posterior cusp of mitral valve 8 . Anterior papillary muscle 9 . Chordae tendineae 10 . Left ventricle 11 . Posterior papillary muscle