Osteology

Lateral wall of right nasal fossa

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Image #38-1

Osteology

Lateral wall of right nasal fossa

The osseous septum has been cut away from the specimen seen in view 37-7 to reveal the bones which together form the right lateral wall of the nasal fossa. The right sphenoid sinus (15) is visible through a window cut in the septum which separates the two sinuses.

1. Nasal bone
2. Frontal process of maxilla
3. Upper pointer: Lacrimal bone Lower pointer: Lacrimoconchal suture
4. Lacrimal process inferior nasal conchae
5. Openings of maxillary sinus
6. Inferior nasal concha
7. Inferior nasal meatus
8. Anterior nasal spine
9. Incisive canal (for communicating branch between posterior nasal septal artery and greater palatine artery)
10. Cribriform plate éthmoid bone (above left nasal fossa)
11. Perpendicular plate of ethmoid bone (cut away)
12. Superior nasal concha
13. Sphenoethmoidal recess
14. Sphenoid sinus left
15. Sphenoid sinus right (sphenoidal septal sinuses partially cut away)
16. Sella turcica
17. Upper pointer: Superior nasal meatus Lower pointer: Middle nasal concha
18. Nasopharyngeal meatus
19. Perpendicular part of palatine bone
20. Medial plate of pterygoid process
21. Palatomaxillary suture
22. Nasomaxillary crest
23. Palatine process of maxilla
24. Incisive canal (for nasopalatine nerve)