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Facial Nerve
Stack #3636
| Nerve Branch | Enters | Course | misc. |
|---|---|---|---|
| Facial | internal auditory meatus (temporal bone) and Facial Canal. | exits temporal bone via stylomastoid foramen, sends motor to stylohyoid and post. digastric and sends sensory to skin posterior of ear. Continues through parotid gland to course ant and medially to provide motor innervation to muscles of facial expressio | n/a |
| Greater Petrosal | branches from facial within facial canal | exits inner ear via 'Hiatus for the Greater Petrosal Nerve' to enter the middle cranial fossa. It traverses the superior aspect of Foramen Lacerum and enters the Pterygoid canal to reach the pterygopalatine fossa | n/a |
| Chorda Tympani | branches from facial within facial canal | goes to middle ear cavity, then exits via pterygoid canal to pterygopalatine fossa | n/a |
| Nerve to Stapedius | branches from facial within facial canal | enters middle ear and innervates stapedius muscle. | n/a |