You need to remember this list forever: CNs III, VII, IX, and X. These are the four cranial nerves with parasympathetic fibers emerging from the brain (Fig. 14.3). Note that CN V is not on this list, however while no parasympathetic fibers originate on CN V, three of the cranial nerves with parasympathetics, III, VII, and IX all take advantage of CN V by hitching a ride on CN V to reach their targets.

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Autonomics, Lesions, and Cell Bodies of Origin

  • Jonathan Leo

摘要

You need to remember this list forever: CNs III, VII, IX, and X. These are the four cranial nerves with parasympathetic fibers emerging from the brain (Fig. 14.3). Note that CN V is not on this list, however while no parasympathetic fibers originate on CN V, three of the cranial nerves with parasympathetics, III, VII, and IX all take advantage of CN V by hitching a ride on CN V to reach their targets.