BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Coronary atherosclerosis. Coloured angiogram (X- ray) showing atherosclerosis in a coronary artery. The atherosclerosis is seen as the pinching in the blue-coloured artery at bottom centre. Atherosclerosis is the term for arterial narrowing due to the build-up of a fatty plaque of atheroma in the artery's inner lining. The coronary arteries supply the heart with blood. If not enough blood is supplied parts of the heart tissue (orange) will die resulting in a heart attack, or myocardial infarction. Coronary angiograms are created by injecting an X-ray opaque dye into the coronary arteries using a catheter.
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