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Coarctation of the aorta, or aortic narrowing (abbreviated as CoA), is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts.: Coarctation (narrowing) of the aorta. 1:Inferior vena cava, 2:Right pulmonary veins, 3: Right pulmonary artery, 4:Superior vena cava, 5:Left pulmonary artery, 6:Left pulmonary veins, 7:Right ventricle, 8:Left ventricle, 9:Pulmonary artery, 10:Aorta.
The abdominal aorta is the portion that is located in the abdominal area between the renal arteries and the iliac bifurcation (split) and it travels down the frontal surface of the vertebral column (spine).he aorta is the main trunk of the arterial system that carries oxygenated blood from the heart to all points in the body. The aorta arises from the left ventricle of the heart and ends at the lumbar area where it divides to form the right and left common iliac arteries that run down each leg.