Osteology

Interior of base of skull

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Image #36-5

Osteology

Interior of base of skull

1. Crista gall & lamina cribrosa ethmoid bone
2. Orbital part of frontal bone & sphenofrontal suture
3. Lesser wing sphenoid bone
4. Greater wing sphenoid bone
5. Sphenosquamous suture
6. Temporal bone (squamous part)
7. Carotid canal & foramen lacerum
8. Petrosquamous fissure
9. Petrosal part of temporal bone
10. Squamous suture
11. Occipitomastoid suture
12. Mastoid part of temporal bone
13. Occipital bone (squamous part)
14. Parietal bone
15. Lambdoidal suture
16. Foramen magnum
17. Internal occipital crest (cruciate eminence)
18. Anterior cranial fossa
19. Optic foramen & anterior clinoid process
20. Sella turcica & posterior clinoid process
21. Foramen ovale
22. Foramen spinosum
23. Middle cranial fossa
24. Clivus
25. Condyloid canal
26. Posterior cranial fossa
27. Intersutural bone