angioscopy
1. Visualization with a microscope of the passage of substances ( e.g., contrast media, radiopaque agents) through capillaries after intravenous injection. 2. Visualization of the interior of blood vessel s, especially the pulmonary arteries, using a fiberoptic catheter inserted through a peripheral artery. [angio- + G. skopeo, to view]

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an·gi·os·co·py (an″ge-osґkə-pe) 1. use of a fiberoptic angioscope to visualize the lumen of a blood vessel. 2. visualization of capillary blood vessels with a special microscope (angioscope).

Medical dictionary. 2011.

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