constitutional_part_of regional_part_of Wall of inflow part of left ventricle Lateral papillary muscle of left ventricle FMA:7264 Papillary muscle of left ventricle which has as its parts the anterolateral and posterior heads of the lateral papillary muscle of left ventricle that is continuous with the lateral wall of left ventricle. fma Myocardial zone 11 Papillary muscle of left ventricle Anterior wall of left ventricle