regional_part_of Anterior interventricular branch of left coronary artery Zone of anterior interventricular branch of left coronary artery Zone 17 of anterior interventricular branch of left coronary artery FMA:87229 Zone of anterior interventricular branch of left coronary artery which supplies the apex zone of myocardium of left ventricle and is continuous with zone 13 of anterior interventricular branch of left coronary artery. fma