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aortography by the injection of contrast medium into the aorta through one of its branches, for example, the brachial artery, in a direction against normal arterial blood flow.
Farlex Partner Medical Dictionary © Farlex 2012
Aortography by injection of a contrast medium into the aorta via one of its branches, and thus against the direction of the blood flow.
See also: aortography
Medical Dictionary, © 2009 Farlex and Partners