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Histological scoring system for the experimental colitis animal models.
| Inflammatory cell infiltrate | Intestinal architecture | ||||
|---|---|---|---|---|---|
| Severity | Extent | Score 1 | Epithelial changes | Mucosal architecture | Score 2 |
| Mild | Mucosa | 1 | Focal erosions | 1 | |
| Moderate | Mucosa and submucosa | 2 | Erosion | ± Focal ulcerations | 2 |
| Marked | Transmural | 3 | Extended ulcerations ± granulation tissue ± pseudopolyps | 3 | |
| Sum of scores 1 and 2: | 0–6 | ||||
