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Comparison of skin, oral mucosa, and intestinal mucosa.
| Epithelium | Skin | Oral | Intestinal | |
|---|---|---|---|---|
| KERATINIZED TISSUE | Exist | Partially exist | Not exist | |
| EPITHELIAL LAYER | Multiple layers | Multiple layers | Single layer | |
| INTERCELLULAR JUNCTIONS | Tight junction | Exist | Exist | Exist |
| Adherence junction | Exist | Exist | Exist | |
| Desmosome | Exist | Exist | Exist | |
| Gap junction | Exist | Exist | Exist | |
| Hemidesomosome | Not exist | Exist | Not exist | |
