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Medical Term:


Pronunciation: nef'ro-gram


  1. Radiographic examination of the kidney after the intravenous injection of a water-soluble iodinated contrast material.
  2. The diffuse opacification of the renal parenchyma following such injection, an indication of renal blood flow and glomerular filtration. A persistent nephrogram indicates obstruction of kidney drainage.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.