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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. What all does the head do? [brainstorm]. SENSORY
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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 Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
What all does the head do?[brainstorm] Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
SENSORY Special General MOTOR Muscles Glands Nerve “targets” in head Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
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 Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
Overall skull organization • Neurocranium • Base of skull • Middle ear • Jaw • Throat Cerebral Hemisphere Cerebellum Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
Major features of the skull • Mastoid process • External auditory/ acoustic meatus (ear opening) • Ear drum • Hyoid bone • Epiglottis • Thryroid cartilage • Cricoid cartilage • Tracheal rings Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
M&M, Fig. 7.3 Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
Major features of the skull • Zygomatic arch • Ethmoid • Orbit • Nasal passage • External nasal aperture • Internal nasal aperture Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
M&M, Fig. 7.2 Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
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) Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
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 Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
What’s ahead? • Throat (pharynx) targets: Head/Neck II • Special Sensory targets: Head/Neck III • Back to cranial nerves: Head/Neck IV Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull