Hücker H, Frenzel H
Virchows Arch B Cell Pathol. 1975;18(2):157-64. doi: 10.1007/BF02889244.
Surface fine structures of human distal nephron, papilla and calyx were studied by use of SEM. Tissue preservation was carried out by perfusion fixation and critical point drying. The various surface features of epithelial cells were visualized in the lower urinary tract.