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Comparison of histological changes of late SCI, such a hyperemia, degeneration, cellular infiltration, and demyelination between SCI and treatment groups at 4 weeks post SCI. Histological score: 0= (negative); 1= (mild); 2= (moderate); 3= (severe).
| Group | SCI | SCI+ Vehicle | SCI+ Bum 2 mg/kg | SCI+ Bum 4 mg/kg |
|---|---|---|---|---|
| Hyperemia | 1 | 1 | 1.5 | 0 |
| Degeneration | 3 | 2 | 2 | 0.5 |
| Infiltration | 3 | 2 | 2 | 1 |
| Demyelination | 2 | 2 | 2 | 1 |
