Skull and Mandible

Frontal Bone

Parietal Bones

Occipital Bone

Temporal Bone

Sphenoid Bone

Ethmoid Bone

Sutures

• Immovable fibrous joints

• Form boundaries between cranial bones

Coronal Suture

Sagittal Suture

Lambdoid Suture

Squamous Suture

Fetal Skull: Fontanel

• Flexible areas of dense regular connective tissue

• Formed by cranial bones not yet large enough to surround the brain

• Allow for flexion of the boney plates during birth

• Allow for brain and bone growth

• All are closed by 15 months of age

Anterior Fontanel

Posterior Fontanel

Sphenoid Fontanel

Mastoid Fontanel

Supraorbital Notch

Infraorbital Foramen

Lacrimal Bone

Nasolacrimal Canal

Nasal Bone

Maxilla

Alveolar Area of maxilla

Zygomatic Bone

Zygomatic Arch

External Acoustic Meatus

Nasal Bone

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Zygomatic bone

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Maxilla

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Mandible

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Mastoid Process

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Zygomatic arch

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Optic foramen

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Mental Protuberance

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Styloid Process

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Mental Foramen

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Occipital Condyle

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Magnum Foramen

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Jugular Foramen

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Mandibular Condyle

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Carotid Canal

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Coronoid Process of Mandible

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Mastoid Process

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Optic Foramen

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