Landmarks of the Skull

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Landmarks of the Skull
By Sharron Barth
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Santa Cruz Skull
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Fetal skull sutures
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Cranial bones Facial bones
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Sutures

• Coronal suture
• Sagittal suture
• Lambdoidal suture

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Anterior cranial fossa Middle cranial
fossa Posterior cranial fossa
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Lateral view sutures
Squamous suture
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Cranial bones Facial bones
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Cranial Vault Bones

• Frontal
• Parietal (2)
• Occipital

• Temporal (2)
• Ethmoid
• Sphenoid

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• Styloid process
• External acoustic meatus
• Mastoid process
• Mandibular fossa
• Zygomatic process

Temporal bone
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Sphenoid Bone
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Sphenoid bone

• Greater wing
• Lesser wing
• Sella turcica
• Foramen rotundum
• Foramen ovale
• Foramen spinosum

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• Ethmoid bone

• Cribiform plate
• Crista galli
• - Latin cockscomb
• as in chicken/rooster
• Perpendicular plate

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Occipital bone

• Foramen magnum
• Occipital condyles
• External occipital protuberance

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Trajectory of bullet no damage to brain stem
Missing bone replaced by cranioplasty
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Facial Bones of the skull anterior view

• Maxilla (2)
• Zygomatic (2)
• Nasal (2)
• Lacrimal (2)

• Inferior nasal concha (2)
• Vomer
• Palatine (2)
• Mandible

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• Mandible

• Mandibular condyle
• Coronoid process
• Mental foramen
• Mandibular foramen

TMJ
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• Tarsiers
• Each eyeball is the size of their brain
• Relative to weight, largest eye of any animal

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Study tutorials
http//www.getbodysmart.com
http//www.gwc.maricopa.edu
http//www.csuchico.edu/anth/Module/skull.html
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Andreas Vesalius 1542
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