[Scanning electron microscopic observation on renal pelvis and papilla in experimental hydronephrosis].
D000818:Animals; D006869:Hydronephrosis / Q000473:pathology*; D007679:Kidney Medulla / Q000648:ultrastructure*; D007682:Kidney Pelvis / Q000648:ultrastructure*; D008297:Male; D008855:Microscopy, Electron, Scanning; D051381:Rats