Skull

composed of the cranium (brain case) and the facial bones

Frontal Bone (1)

• Forehead
• Coronal suture: found between the frontal bone and the parietal bones

Parietal Bones (2)

• Side walls of cranium
• Roof of cranium

Sagittal suture:

found between the two parietal bones

Occipital Bone (1)

• Back of skull
• Base of cranium

Lambdoidal suture

found between the occipital bone and the parietal bones

foramen magnum

a large hole in the base of the occipital bone where the spinal cord passes into the skull

Temporal Bones (2)

• Side walls of cranium
• Floor of cranium

Squamous suture:

found between the temporal bones and the parietal bones

external acoustic meatus

external ear canal

Mastoid process

Cone shaped bone at base of skull behind ear

Styloid process

Attatchment point for ligaments to swallow

Zygomatic process

Cheekbones

Sphenoid Bone (1)

• Base of cranium
• Sides of skull
• Floors & sides of orbits

Ethmoid Bone (1)

• Roof and walls of nasal cavity
• Floor of cranium
• Wall of orbits

Maxillary Bones (2)

• also called maxilla
• upper jaw

Palatine Bones (2)

• 'L’ shaped bones located behind the maxillae
• Posterior section of hard palate (roof of mouth)
• Floor of nasal cavity
• Lateral walls of nasal cavity

Zygomatic Bones (2)

Prominences of cheeks

Lacrimal Bones (2)

Medial walls of orbits

Nasal Bones (2)

Bridge of nose

Vomer Bone (1)

Inferior portion of nasal septum

Inferior Nasal Conchae (2)

Extend from lateral walls of nasal cavity

Mandible (1)

• Lower jaw
• Body (chin area)
• Ramus (area by ears)

Mandibular foramen:

underside of mandible located on the ramus

Mental foramen:

located on the body (chin)

Fontanels

fibrous membranes