regional_part_of Free wall of left ventricle Region of wall of left ventricle Wall of left ventricle Lateral wall of left ventricle FMA:9563 Region of wall of left ventricle which consists of endocardium, basal, mid and apical lateral zones of myocardium of left ventricle and epicardium of lateral wall of left ventricle and is continuous with the anterior and inferior walls of left ventricle. fma