Table 2 Thirteen cross-sections of upper airway.
From: Upper airway flow characteristics of childhood obstructive sleep apnea-hypopnea syndrome
Cross-section | Location | Cross-section | Location | Cross-section | Location |
|---|---|---|---|---|---|
1 | Anterior naris | 6 | End Inferior turbinate | 11 | Tonsil midsection |
2 | Nasal limen | 7 | Posterior naris | 12 | Hypopharyngeal beginning |
3 | Anterior inferior turbinate | 8 | Nasopharyngeal beginning | 13 | Tracheal beginning |
4 | Anterior middle turbinate | 9 | Adenoid | – | – |
5 | Middle inferior turbinate | 10 | Oropharyngeal beginning | – | – |