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Grades of renal histopathological changes in the lead (Pb)-treated animals
| Treatments | Tubular dilation | Protein cast | Vacuolization | Inflammation |
|---|---|---|---|---|
| Control | – | – | – | – |
| Pb (20 mg/kg/day) | ++ | ++ | ++ | +++ |
| Pb (20 mg/kg/day) + glycine 500 mg/kg | ++ | + | + | ++ |
| Pb (20 mg/kg/day) + glycine 1,000 mg/kg | + | + | + | + |
Note: +, mild; ++, moderate; and +++, severe histopathological changes.
Abbreviation: Pb, plasma lead.
