Zone of anterior interventricular branch of left coronary artery Basal zone of anterior interventricular branch of left coronary artery Basal segment of anterior interventricular branch of left coronary artery FMA:87627 Zone of anterior interventricular branch of left coronary artery which supplies the basal anterior, anteroseptal and inferoseptal row of zones of myocardium of left ventricle and is continuous with the mid zone of anterior interventricular branch of left coronary artery. fma