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X-ray examination of arteries and veins with a contrast medium to differentiate them from surrounding organs. The contrast medium is introduced through a catheter to show the blood vessels and the structures they supply, including organs. Angiography of diseased leg, brain, or heart arteries is necessary before corrective surgery. See alsoangiocardiography.
Variants of ANGIOGRAPHY
angiography or arteriography
This entry comes from Encyclopædia Britannica Concise. For the full entry on angiography, visit Britannica.com.