ST BARTHOLOMEW'S HOSPITAL / SCIENCE PHOTO LIBRARY ST BARTHOLOMEW'S HOSPITAL / SCIENCE PHOTO LIBRARY
Arteriogram (angiogram) showing the network of arteries (as white ribbons) serving the human foot. Arteriography is the X-ray examination of an artery that has been outlined by prior injection of a radio-opaque contrast medium. Angiography is used to locate vascular diseases such as the obstructions in arteries due to atherosclerosis or aneurysms, balloon-like enlargements of the arterial wall.
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