Debunking the Myth: The Facial Nerve (CN VII) Does Not Provide Sensory Fibers to Auricular Branch of Vagus Nerve (CN X)

The facial nerve may also contribute sensory Fbers to the auricular branch of the vagus nerve (CN X). True or False?

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False. The facial nerve (CN VII) is a mixed nerve that contains both motor and sensory fibers, but it does not contribute sensory fibers to the auricular branch of the vagus nerve (CN X). The auricular branch of the vagus nerve provides sensory innervation to the external ear and the skin posterior to the ear.

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