For 10 points, name this largest artery in the body that carries oxygenated blood from the heart.
This structure is overriding in patients with tetralogy of Fallot, while Marfan syndrome causes its myxomatous degeneration and Turner syndrome causes its coarctation. This elastic structure bifurcates at the level of the fourth lumbar vertebra. Existing as six arches in the developing embryo, in adults it contains a single arch, which branches into the brachiocephalic, subclavian, and common carotid arteries. The coronary arteries branch off from the ascending portion of this structure immediately after it emerges from the left ventricle. For 10 points, name this largest artery in the body that carries oxygenated blood from the heart.
This structure is overriding in patients with tetralogy of Fallot, while Marfan syndrome causes its myxomatous degeneration and Turner syndrome causes its coarctation.
{aorta} 