Osteology

Bony nasal septum, left lateral view

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Image #37-7
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Legend Image
Osteology
Bony nasal septum, left lateral view
The skull has been cut in a parasagittal plane a few millimeters to the left of the midline.
1 . Nasal bone
2 . Nasomaxillary suture
3 . Perpendicular plate of ethmoid bone
4 . Cleft to accommodate sphenoid process cartilaginous septum
5 . Inferior nasal concha
6 . Superior opening of incisive canal
7 . Anterior nasal spine
8 . Dental alveolus
9 . Cribriform plate of ethmoidal bone
10 . Sphenoid sinus
11 . Upper pointer: Aperture of sphenoid sinus (margin partially cut away) Lower pointer: Tip of sphenoid (note small sutural bone beyond pointer)
12 . Body sphenoid bone
13 . Vomer (pointer on groove for nasopalatine nerve)
14 . Lateral plate of pterygoid process
15 . Medial plate of pterygoid process
16 . Pterygoid hamulus
17 . Nasal crest
18 . Hard palate
19 . Alveolar process of maxilla