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Artery stenosis

Artery stenosis

M175/0262

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Credit

SIMON FRASER / RNC, NEWCASTLE / SCIENCE PHOTO LIBRARY SIMON FRASER / RNC, NEWCASTLE / SCIENCE PHOTO LIBRARY

Caption

Artery stenosis. Coloured angiogram (X-ray) of stenosis (narrowing, highlighted in red) of the carotid artery (blue) in the neck. The backbone is orange/purple. Arterial stenosis can be due to atherosclerosis, the build-up of fatty material on an arterial wall, or thrombosis, the formation of a clot in an undamaged artery. It can also result from an embolism, which occurs when a particle or gas bubble that was moving through the artery becomes trapped. The decreased blood flow to the brain may cause a stroke. Angiograms are produced by injecting an X-ray opaque dye into the blood vessel to be studied.

Release details

Model release not required. Property release not required.

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