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Aortic dissection, illustration
Illustration of an aortic dissection caused by arteriosclerosis. The tunica media (middle layer) and the tunica intima (inner layer) have separated from each other, forming a false lumen. The intima is torn in the area of the ascending aorta (centre, left) the re-entry of the false lumen into the main lumen of the aorta occurs in the area of the descending aorta (bottom, right). Aortic dissection can lead to stroke, organ failure and death. It can be treated using surgery and medication., Photo by MEDICAL GRAPHICS/MICHAEL HOFFMANN/SCIENCE PHOTO LIBRARY
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