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n. Abbr. IVP
1. An x-ray of the renal pelvises and the urinary tract made with a radiopaque contrast medium that is injected intravenously and excreted by the kidneys.
2. The procedure by which such an x-ray is generated.
intravenous pyelography n.
(IVP) A diagnostic method of examining the urinary system using X-rays and an opaque solution injected into the veins to produce images called pyelograms.