,LEFT CIRCUMFLEX CORONARY ARTERY:, The left circumflex artery is a moderate-size vessel with a normal ostium giving rise to a small OM1 branch and a large OM2 branch supplying much of the posterolateral wall of the left ventricular. 
,LEFT CIRCUMFLEX CORONARY ARTERY : , The left circumflex artery is a moderate - size vessel with a normal ostium giving rise to a small OM1 branch and a large OM2 branch supplying much of the posterolateral wall of the left ventricular .