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ANAT 1507 The Skull - AXIAL SKELETON Skull Vertebrae Ribs...

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AXIAL SKELETON • Skull • Vertebrae • Ribs • Sternum • Hyoid Monday, July 12, 2010
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Skull • Neurocranium – surrounds the brain • Viscerocranium – bones of the face Monday, July 12, 2010
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Neurocranium Frontal Bone Parietal Bone Temporal Bone Occipital Bone Sphenoid Bone Ethmoid Bone Monday, July 12, 2010
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Facial Skeleton Lacrimal Bone Nasal Bone • Maxillae Zygomatic Bone Palantine Bone Inferior Nasal Concha • Mandible • Vomer Monday, July 12, 2010
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Auditory Ossicles Malleus – “The Hammer” Incus - “The Anvil” Stapes – “The Stirrup” Monday, July 12, 2010
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FORMINAE, CRANIOMETRIC POINTS OF THE SKULL AND FONTANELLES The skull can be broken into 3 parts : the anterior, middle and posterior cranial fossae. With each of these, various forminae have different structures entering and exiting through them. Monday, July 12, 2010
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ANTERIOR CRANIAL FOSSA Foramen Cecum - emissary vein between the superior sagittal sinus and the nasal plexus of veins in the nasal cavity Cribriform Plate of the Ethmoid - supports the olfactory bulb and transmits the olfactory nerve fibers from the olfactory mucosa to the olfactory bulb Monday, July 12, 2010
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MIDDLE CRANIAL FOSSA pituitary fossa - aka hypophyseal fossa -contains the pituitary gland superior orbital fissure - CN III, CN IV, CN VI, CN Vi and ophthalmic vessels foramen rotundum - CN Vii, ( maxillary division )
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