Facial Nerve

Facial Nerve The structure indicated is the facial nerve (cranial nerve VII). The facial nerve is responsible for supplying the muscles of facial expression. In addition, the facial nerve provides taste sensation to the anterior 2/3 of the tongue and secretomotor function to the salivary, lacrimal, nasal and palatine glands. The facial nerve originates from the cerebellopontine angle, laterally at the junction between the pons and the medulla. It has two roots: a motor root and the nervus intermedius, which carries the parasympathetic and sensory fibres. Intracranial branches Greater petrosal nerve Nerve to stapedius Chorda tympani Extracranial branches Posterior auricular …

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