General Features of Skull

1. Skull

2. • Frontal Bone (1)
• Parietal bone (2)
• Occipital bone (1)
• Temporal bone (2)
• Mastoid
• process
• Sphenoid bone (1)
• Ethmoid bone (1)
• Inferior nasal concha (2)
• Lacrimal bone (2)
• Vomer (1)
• Nasal bone (2)
• Maxilla (2)
• Palatine bone (2)
• Zygomatic bone (2)
• Mandible (1)

3. • The major sutures to identify are the:
• coronal
• lambdoid
• sagittal

4. The whole skull can be studied from the outside or
externally in different ways
• Superior view or norma verticalis
• Posterior view or norma occipitalis
• Anterior view or norma frontalis
• Lateral view or norma lateralis
• Inferior view or norma basalis

5. • Shape: Oval in shape
• Bones: Frontal, occipital and parietal bone

6. • Shape: convex upwards and flattened below
• Bones: Temporal, occipital and parietal
bone

7. Shape: Oval in shape
Bones: Frontal,maxillae,nasal bones,zygometic and
mandible

8. • Bones: Frontal, occipital and parietal bone
,sphenoid,zygomatic,Temporal,mendible,maxila,nasal

9. • Contents: Hard palate, alveolar arches and
foramen magnum

10. • Internal surface of the base of skull presents natural
subdivisions into anterior, middle and posterior cranial
fossae.