| Subdivisions and Functions of the Facial Nerve. |
| Facial Nerve Subdivision | Function |
|---|---|
| Branchial motor | Muscles of facial expression |
| Posterior belly of digastric muscle | |
| Stylohyoid muscle | |
| Stapedius muscle | |
| Visceral motor | Salivation—lacrimal, submandibular, and sublingual |
| Nasal mucosa or mucous membrane | |
| General sensory | Sensory to auricular concha |
| External auditory canal | |
| Tympanic membrane | |
| Special sensory | Chorda tympani nerve—taste to anterior two-thirds of the tongue |
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