Research Article
Benefit Effect of Dendrobium officinale Ultrafine Powder on DSS-Induced Ulcerative Colitis Rats by Improving Colon Mucosal Barrier
Table 2
Histological scoring system [
21].
| Score | Inflammation | Mucosal damage | Crypt damage | Range of lesions (%) |
| 0 | None | None | None | 0 | 1 | Mild | Mucous layer | 1/3 | 1–25 | 2 | Moderate | Submucosa | 2/3 | 26–50 | 3 | Severe | Muscularis and serosa | 100% | 51–75 | 4 | — | — | 100% + epithelium | 76–100 |
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