Zone of left coronary artery Zone of anterior interventricular branch of left coronary artery FMA:86505 Zone of LAD Zone of left anterior descending branch of left coronary artery Zone of left coronary artery which supplies the basal anterior, basal anteroseptal, inferoseptal zones, the mid anterior, anteroseptal and inferoseptal zones, the apical anterior and septal zones and the apex zone of myocardium of left ventricle. fma