Researchers say they only recently came to understand how plaque in artery walls can kill.

These bumps on the artery wall are made of cholesterol, cells, and debris.

We actually looked at the artery wall and found an abnormal area not obvious on traditional angiography.

Arteriotomy is a medical term for an opening or cut of an artery wall.

A response to an infection within the artery wall.

Plaque is actually a pimple-like growth inside an artery wall.

High blood pressure means that blood is pushing too hard against artery walls.

Defects in some of the parts of the artery wall may be responsible.

The idea is that heart disease occurs in part because artery walls are damaged.

High blood pressure, a condition in which the force of blood against artery walls is too strong.