Main Entry: pyo·ne·phro·sis Pronunciation: -ni-'frO-s&s Function: noun Inflected Form: pluralpyo·ne·phro·ses/-"sEz/ : a collection of pus in the kidney
pyonephrosis py·o·ne·phro·sis (pī'ō-nə-frō'sĭs) n. Distention of the pelvis and calices of the kidney, accompanied by suppuration and associated with obstruction.
