1. The vasculature of the pharyngeal arches is also known as the aortic arches . 2. "' Double aortic arch "'( DAA ) is a relatively rare congenital cardiovascular malformation. 3. The left common carotid, and the left subclavian artery, come directly off the aortic arch . 4. Other causes include ruptured aneurysm of sinus of Valsalva and other aneurysms of the aortic arch . 5. The final section of the aortic arch is known as the " isthmus of aorta ". 6. Type 2 refers to dissection of the ascending aorta, closer to and including the aortic arch . 7. In cartilaginous fishes and pulmonary arteries branching off from the hindmost ( 6th ) aortic arch . 8. The only heart surgeries that continued to require total circulatory arrest were repairs to the aortic arch . 9. A less common ring is present with a right aortic arch instead of the usual left-sided aortic arch . 10. The aortic arch has three branches.
