“Crocodile tears syndrome” (spontaneous lacrimation during eating because of misdirection of regenerating autonomic nerve fibers) occurs after injury to which of the following nerves?,
Correct Answer: Facial nerve proximal to the geniculate ganglion
Description: "Crocodile tears syndrome" (lacrimation during eating) is caused by a lesion of the facial nerve proximal to the geniculate ganglion. This happens due to misdirection of regenerating parasympathetic fibers, which formerly innervated the salivary glands, to the lacrimal glands.
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Anatomy
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