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Histopathological scoring of rat lung tissues
| Experimental groups | Degeneration of bronchial-bronchiole epithelium | Thickening of the interalveolar septum | Hyperemia in vessels |
|---|---|---|---|
| Control group | - | - | - |
| SA80 group | - | - | - |
| LPS group | +++ | +++ | +++ |
| SA40+LPS group | ++ | ++ | +++ |
| SA80+LPS group | + | + | ++ |
Scores: (-) none, (+) mild, (++) moderate, (+++) severe
SA: Syringic acid; LPS: Lipopolysaccharide
