Cranial Nerves

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Cranial Nerves

• R. Shane Tubbs, MS, PA-C, PhD

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Embryological Derivative
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Pharyngeal Arch Derivative
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Autonomic Fibers
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Motor/Sensory/Mixed
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Origin- supratentorial, stem, cord
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Functional Components

• GSE
• GSA
• GVE
• GVA
• SSA
• SVA
• SVE

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• Olfactory nerve SVA

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Optic nerve SSA
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Occulomotor nerveGSE, GVETrochlear/AbducensGSE
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Trigeminal Nerve

• GSA
• SVE

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Facial Nerve

• SVE
• GVE
• GSA
• SVA

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Vestibulocochlear Nerve

• SSA

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CNs IX, X, XI
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Glossopharyngeal Nerve

• GSA
• SVE
• SVA
• GVE
• GVA

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Vagus Nerve

• GSA
• GVE
• SVE
• SVA
• GVA

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Spinal Accessory Nerve

• SVE/GSE

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Hypoglossal Nerve

• GSE

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