Cranial Cavity- Part 1

1. Cranial Cavity-1
Dr Vishwajit Deshmukh
Department of Anatomy
AIIMS Nagpur

2. • Coronal Suture
• Sagittal Suture
• Lambdoid Suture

5. Internal surface of ROOF of skull
• Frontal Crest
• Groove for
superior
sagittal sinus
• Granualar
foveolae
• Groove for
meningeal
vessels

6. Anterior Cranial Fossa
Bones
Contents

8. • Frontal Crest
• Foramen Caecum
• Crista galli
• Cribriform plate
• Sulcus chiasmaticus
• JUGUM SPHENOIDALE
• Anterior clinoid process
• Optic canals
Anterior Cranial Fossa

9. Middle cranial fossa
• BONES
• CONTENTS

11. • Sella Turcica
• Tuberculum Sellae
• Middle clinoid process
• Dorsum sellae
• Posterior clinoid process
Fissure and foramens
1. Superior orbital fissure
2. Foramen Ovale
3. Foramen Spinosum
4. Foramen Rotundum
5. Carotid Canal
6. Foramen Lacerum
7. Arcuate eminence
Middle cranial fossa

13. Posterior cranial fossa
• Bones
• Contents

15. Posterior Cranial Fossa
• Clivus
• Foramen Magnum
• Internal acoustic meatus
• Internal occipital protruberence