A procedure for getting X-ray pictures of the URINARY TRACT. A radio-opaque medium is injected into a vein and, when it is excreted by the kidneys, the substance can be identi?ed on X-rays. Any abnormalities in structure or foreign bodies such as calculi are outlined by the dye (see KIDNEYS, DISEASES OF).
An X-ray procedure, commonly abbreviated to , used to give a clear image of the urinary tract. The procedure involves intravenous infusion of a contrast medium into the arm. The medium is carried in the blood to the urinary system, where it passes through the kidneys, ureters, and bladder to be excreted in the urine. X-rays taken at intervals show outlines of the urinary system. detects abnormalities such as tumours and obstructions, and signs of kidney disease.... intravenous urography
n. an X-ray of the urinary tract or any part of it. It is usually obtained after the intravenous injection of a radiopaque substance, as in *intravenous urography, but the contrast medium can also be introduced percutaneously or, in the case of the bladder, transurethrally (for a cystogram; see cystography).... urogram