RIGHT Aortic Root Anatomy Normal Aortic Valve Bicuspid Aortic Valve (2 leaflets) (3 leaflets) Aortic Valve Calcification LEFT © 2010 The Regents of the University of Michigan January 2011 Aortic root Leaflets Annulus Sinus of Valsalva Coronary arteries Sinotubular junction Commissural posts Right coronary artery Ascending aorta Aortic arch Innominate artery Left subclavian artery Left coronary artery Aortic Valve Pulmonary artery Left common carotid artery 1 2 1 2 3 Sinus of Valsalva