High blood pressure (hypertension), smoking, high cholesterol, and genetic connective tissue disorders (like Marfan syndrome) increase the risk of aortic failure. When to Seek Help

Curves over the heart, giving off branches that supply the brain, head, neck, and arms.

The aorta is roughly 1 foot long and about an inch in diameter at its widest point, with a three-layered wall structure designed for both strength and elasticity.

For more information, the Cleveland Clinic provides an in-depth anatomical guide.

The accumulation of plaque in the artery walls, which narrows the lumen and weakens the aorta.