Bassett Collection Large Image - Lane Medical Library, Stanford University Medical Center

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For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

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