Head neck i introskull

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Head neck i introskull - ppt

Head neck i introskull - ppt

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Transcript

  • 1. HEAD/NECK I: Introduction—The Skull
    • Head function brainstorm
    • Sensory/Motor Targets
    • Overview: Head/Neck I-IV
    • The two-oval skull
    • Major features of the skull
    • The base of the skull
      • The developmental view
      • The holes-out view
  • 2. What all does the head do? [brainstorm]
  • 3. Nerve “targets” in head
    • SENSORY
    • Special General
    • MOTOR
    • Muscles Glands
  • 4. Overview Head/Neck I-IV
    • Head I: Skull—a framework to hang on
      • Overall organization of skull
      • Base of the skull—the hard part
        • Developmental view
        • Cranial nerves out (to “targets”)
    • Head II: Throat targets
    • Head III: Special Sense targets
    • Head IV: Cranial nerves in depth
  • 5. Overall skull organization Cerebral Hemisphere Cerebellum
    • Neurocranium
    • Base of skull
    • Middle ear
    • Jaw
    • Throat
  • 6. Major features of the skull
    • Mastoid process
    • Styloid process
    • External auditory/
    • acoustic meatus
    • (ear opening)
    • Ear drum
    • Hyoid bone
    • Epiglottis
    • Thryroid cartilage
    • Cricoid cartilage
    • Tracheal rings
  • 7. M&M, Fig. 7.3
  • 8. Major features of the skull
    • Zygomatic arch
    • Ethmoid
    • Orbit
    • Nasal aperture
    • (choanae inside)
  • 9. M&M, Fig. 7.2
  • 10. Base of the skull—a developmental view
    • Dermal bones in neurocranium
    • Chondral bone
    • at base of skull
      • Olfactory capsule
      • (part of ethmoid)
      • Optic capsule
      • (part of sphenoid)
      • Otic capsule
      • (part of temporal
      • Occipital bone
      • (from somites
      • like C-verts)
  • 11. Base of the skull—cranial nerves out
    • Ethmoid (olfactory)
    • I. Olfactory
    • Sphenoid (optic)
    • II. Optic
    • III. Oculomotor
    • IV. Trochlear
    • VI. Abducens
    • Temporal (otic)
    • VIII. Acoustic/Auditory/
    • Vestibulocochlear
    • Face/Jaws
    • V. Trigeminal
    • VII. Facial
    • Throat (rest of body)
    • IX Glossopharyngeal
    • X. Vagus
    • XI. Spinal Accessory
    • XII. Hypoglosal
  • 12.  
  • 13. What’s ahead?
    • Throat (pharynx) targets: Head/Neck II
    • Special Sensory targets: Head/Neck III
    • Back to cranial nerves: Head/Neck IV