P0682500 (pī′ə-lō-nĭ-frī′tĭs)n. Inflammation of the kidney and its pelvis, caused by bacterial infection.[Greek puelos, basin; see pyelitis + nephritis.]py′e·lo·ne·phrit′ic(-frĭt′ĭk) adj.
pyelonephritic
(ˌpaɪələʊnɛˈfrɪtɪk) adj (Medicine) med of or relating to an inflammation of the pelvis and renal parenchyma EncyclopediaSeepyelonephritis