Osteology

Skull, midsagittal section

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Image #36-4

Osteology

Skull, midsagittal section

1. Parietal bone
2. Greater wing of sphenoid & sphenoparietal suture
3. Squamous suture &temporal bone (squamous part)
4. Occipital bone (squamous part)
5. Lambdoidal suture
6. Sulcus for posterior branch of middle meningeal artery
7. Petrosal part of temporal bone & internal acoustic meatus
8. Occipitomastoid suture
9. Sigmoid sulcus
10. Foramen magnum (lateral margin)
11. Hypoglossal canal
12. Occipital condyle
13. Basi occiput
14. Pterygoid process sphenoid bone and choana
15. Mandibular foramen
16. Horizontal plate palatine bone
17. Mylohyoid sulcus
18. Mandible
19. Mylohyoid line
20. Coronal suture
21. Frontal bone (squamous part)
22. Sulcus for anterior branch of middle meningeal artery
23. Frontal sinus
24. Nasion
25. Nasal bone
26. Crista gall & lamina cribrosa
27. Superior nasal concha (visible through opening in nasal septum)
28. Perpendicular plate of ethmoid bone (partially cut away posteriorly)
29. Sphenoid sinus
30. Vomer
31. Inferior nasal concha
32. Nasal incisura
33. Palatine process of maxilla
34. Alveolar process of maxilla