External petrosal nerve

Last revised by Giles Kisby on 15 Jan 2022

The external petrosal nerve is one of the three branches from the geniculate ganglion. It carries sympathetic fibers from the sympathetic plexus surrounding the middle meningeal artery, coursing extradurally laterally to the greater and lesser petrosal nerves on the petrous ridge's anterior surface 3

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Cases and figures

  • facial nerve schematic
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  • Geniculate ganglion (illustration)
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