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Related to Greater superficial petrosal nerve: nerve of pterygoid canal, External petrosal nerve, Petrosus major
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A branch from the geniculate ganglion near the greater superficial petrosal nerve, which developed earlier, is reduced to a communication as the tympanic plexus and the lesser petrosal nerve develop from the IXth cranial nerve.
The Pulec method involves tracing the greater superficial petrosal nerve to the geniculate ganglion and then exposing the labyrinthine segment of the facial nerve and the internal acoustic canal.
Furthermore, posterior transposition requires severing the chorda tympani and greater superficial petrosal nerves, which results in transient dysgeusia and an ipsilateral dry eye.

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