ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Neck blood vessels in stroke patient. Coloured 3D computed tomography (CT) angiogram of the blood vessels in the neck of a 60-year-old patient with a history of transient ischaemic attacks (mini strokes). These are the blood vessels that supply the brain. The vertebral arteries (thin, lower centre left and right) are healthy. However, the carotid arteries (thick, lower centre left and right) show abnormal thickness, with probable presence of atheromatous plaques (lumpy areas) in the area of the carotid bifurcations (forked areas, centre) - where the common carotid arteries divide into the internal and external carotid arteries.
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