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The Anatomy of the Nasal Cavity
| Factor | Number |
|---|---|
| Cell types | 7 |
| Respiratory region | 4 |
| Olfactory region | 6 |
| Glands types | 4 |
| Respiratory region | 2 |
| Olfactory region | 2 |
| Total number of glands (adult) | 90.000 |
| Openings (drains) to nasal cavity | 7 |
| from sinuses | 5 |
