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Landmarks of the Skull

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* Here we have infant skull and isn t this amazing that we go from this little guy to this in about 5 years. By 5 years of age 90-95% brain growth is complete. In ... – PowerPoint PPT presentation

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Title: 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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