Aorta. The aorta is the body's largest artery (the blood vessels that carry oxygen-rich blood). Roughly the diameter of a garden hose, this artery extends from the aortic valve in the heart down through the chest and abdominal region, where it divides into a blood vessel that supplies each leg.
WolffâParkinsonâWhite syndrome (WPW) is one of several disorders of the electrical system of the heart that are commonly referred to as pre-excitation syndromes.olffâParkinsonâWhite syndrome (WPW) is one of several disorders of the electrical system of the heart that are commonly referred to as pre-excitation syndromes.
Von Willebrand disease (VWD) is a blood disorder in which the blood does not clot properly. Blood contains many proteins that help the body stop bleeding. One of these proteins is called von Willebrand factor (VWF).on Willebrand disease (VWD) is a blood disorder in which the blood does not clot properly. Blood contains many proteins that help the body stop bleeding. One of these proteins is called von Willebrand factor (VWF).