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1. The roentgenographic (x-ray) examination of veins.
2. A special x-ray of the veins that is performed by first injecting a radiopaque contrast that shows up on x-ray in the vein in question and then taking a conventional x-ray.

Used to demonstrate a blockage of a vein. Commonly used in the lower extremities to diagnose deep venous thrombosis.

This entry is located in the following unit: veno-, ven-, veni-, vene-, -venous, -venously (page 1)