regional_part_of Circumflex branch of left coronary artery Zone of circumflex branch of left coronary artery Zone 11 of circumflex branch of left coronary artery FMA:86546 Mid inferolateral zone of circumflex branch of left coronary artery Zone of circumflex branch of left coronary artery which supplies the mid inferolateral zone of myocardium of left ventricle and is continuous with zone 10 of circumflex branch of left coronary artery. fma Mid zone of circumflex branch of left coronary artery