Abstract
• Functional components of the facial nerve include: – General efferents to facial muscles – Secretomotor preganglionic efferents to the submandibular, lacrimal, and nasal glands – Special sensory to taste receptors in the tongue and palate/nasal pharynx – Somatic sensory to the skin of external auditory canal and concha
• The motor axons to regional facial muscle groups are mixed, not compartmentalized, through the temporal course of the facial nerve.
• The sensory ganglia of the facial nerve are the geniculate and meatal ganglia.
• Surgery is usually indicated for facial nerve paralysis secondary to chronic otitis media, transverse TB fracture, neoplasia, ear surgery, and pseudotumor.
• Surgery is usually not indicated in idiopathic facial paralysis (Bell’s palsy) and longitudinal TB fracture.
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(2008). Facial Nerve Surgery. In: Ear Surgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77412-9_9
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DOI: https://doi.org/10.1007/978-3-540-77412-9_9
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