Skull Anatomy

Axial Bones :

Ethmoid Bone :

Sphenoid Bone :

Temporal Bone:

Facial cranium :

Inferior nasal bone and palatine bone :

Vomer:

Mandible :

Hyoid Bone :

The superior aspect of skull:

The posterior aspect of skull:

The internal surface of the base of skull:

Anterior and Middle Cranial fossa

Posterior cranial fossa:

The external surface of the base of skull:

Lateral view of skull:

Bone nasal cavity :

Paranasal Sinuses ：

1）Frontal Sinus ：deep to the superciliary arch, opens into the middle nasal meatua of the nasal cavity.

2）Ethmoidal Sinuses ：anterior and middle groups open into

the middle nasal meatus of the nasal cavity

3）Sphennoidal Sinus ：in the body of the sphenoid bone, opens into the sphenoethmoidal recess

4）Maxillary Sinus：in the body of the maxillae, opens into the middle nasal cavity.

Skull at birth and Change after birth