| 1. | Cranial nerves are numbered based on their rostral-caudal ( front-back ) position,
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| 2. | It is innervated by one of the twelve pairs of cranial nerves.
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| 3. | Underlying each of these are motor nuclei for the respective cranial nerves.
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| 4. | The corticobulbar tract conducts impulses from the brain to the cranial nerves.
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| 5. | The fourth and sixth arches are innervated by the vagus cranial nerve.
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| 6. | There are also several abnormal cranial nerve synkineses, both acquired and congenital.
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| 7. | The fibers of these cranial nerves exit the brainstem from these nuclei.
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| 8. | The tegmentum is the location of several cranial nerve ( CN ) nuclei.
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| 9. | Large tumors that compress the adjacent brainstem may affect other local cranial nerves.
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| 10. | Each cranial nerve is paired and is present on both sides.
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