acute pyelonephritis, gross morphology and histopathology

acute pyelonephritis nephritis kidney infection enterococcus bacteria 3d illustration coccus inflammation microorganism microbe streptococcus medical science scientific research treatment pathogen pathology pathogenic human light micrograph histology histopathology photomicrograph staining surface body anatomy anatomical medicine eosin hematoxylin parenchyma small abscess microabscess escherichia coli proteus