pyelonephritis

/ˈpaɪˈloʊnəˌfraɪdɪs/

Definitions of pyelonephritis

1. noun

   inflammation of the kidney and its pelvis caused by bacterial infection
   types:

   acute pyelonephritis

   pyelonephritis resulting from the spread of a bladder infection

   chronic pyelonephritis

   pyelonephritis that develops slowly and can lead to renal failure if untreated; often associated with a kidney stone or with narrowing of the urinary passageways

   type of:

   urinary tract infection

   any infection of any of the organs of the urinary tract