chronic pyelonephritis, and light micrograph

chronic pyelonephritis nephritis kidney infection enterococcus bacteria 3d illustration coccus inflammation acute microorganism microbe streptococcus medical science scientific research treatment pathogen pathology pathogenic human dilated ureter light micrograph histology histopathology photomicrograph staining interstitial fibrosis scarred cortical surface body anatomy anatomical medicine eosin hematoxylin tubules plasma cells lymphocytes parenchyma