ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Arterial stent. Coloured X-ray of a stent (pink) in a patient with vascular disease. The aorta is the large artery running down the centre, it branches into the two iliac arteries, which serve the legs. A stent has been placed in the right upper iliac artery. A stent is a wire mesh tube used to keep open an artery that has become narrowed. The arteries had become narrowed due to atheroma, fatty deposits, thickening the inner coat of the arteries.
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