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1. Pharyngeal opening of the auditory tube
2. Torus linguae
3. Fossa linguae
4. Basihyoid bone
5. Epiglottis
6. Arytenoid cartilage
7. Vocal fold
8. Lateral frontal sinus
9. Medial frontal sinus
10. Ethmoid concha
11. Middle nasal concha
12. Dorsal nasal concha
13. Ventral nasal concha