Table 3 Pathological score criteria for ammonia induced pharyngitis rat models
Score criteria | Mucosal hyperplasia | Cell infiltration | Vascular dilation & Bleeding | Gland hypertrophy |
|---|---|---|---|---|
0 | No | No | No | No |
1 | Mild | Mild | Mild | Mild |
2 | Moderate | Moderate | Moderate | Moderate |
3 | Severe | Severe | Severe | Severe |