1 mg/kg Cd~(2+) solution,no distinct change was observed in epithelia of the renal tubules,for the doses of 0.
1 mg/kg的Cd2+溶液注射20次后,肾小管上皮细胞未发生明显变化;以每次剂量为0。
Methods: Paraffin (7 μm in thickness) and methacrylate resin (25 μm) embedded renal sections were observed using 40× objective lens and 100× oil lens, respectively, and the volume fractions and diameters of the renal tubules and the tubule nuclei were estimated with stereological methods.