Score | Appearance |
| Lamina propria of simple folds |
1 | Thin and delicate core of connective tissue in all simple folds. |
2 | Lamina propria slightly more distinct and robust in some of the folds. |
3 | Clear increase in lamina propria in most of simple folds. |
4 | Thick lamina propria in many folds. |
5 | Very thick lamina propria in many folds. |
| Connective tissue between base of folds and stratum compactum |
1 | Very thin layer of connective tissue between base of folds and stratum compactum. |
2 | Slightly increased amount of connective tissue beneath some of mucosal folds. |
3 | Clear increase of connective tissue beneath most of the mucosal folds. |
4 | Thick layer of connective tissue beneath many folds. |
5 | Extremely thick layer of connective tissue beneath some of the folds. |
| Vacuoles |
1 | Large vacuoles absent. |
2 | Very few large vacuoles present. |
3 | Increased number of large vacuoles. |
4 | Large vacuoles are numerous. |
5 | Large vacuoles are abundant in present in most epithelial cells. |