1. Chapter 22 facial nerve

2. Facial nerve Motor nucleus: main motor nucleus
Parasympathetic nucleus:
superior salivatory nucleus
Sensory nucleus:
solitary nucleus
spinal nucleus of the trigeminal nerve
Nervus intermedius

3. Abducens nucleus
Internal genu
Facial colliculus

4. Facial cannel
Axial view
Coronal view

6. Facial palsy Upper motor neuron type (supranuclear or central ) :
ex: stroke…
Lower motor neuron type (infranuclear or peripheral )
ex: Bell’s palsy……

7. Facial nerve Motor nucleus: main motor nucleus
Parasympathetic nucleus:
superior salivatory nucleus
Sensory nucleus:
solitary nucleus
spinal nucleus of the trigeminal nerve
Nervus intermedius

8. Nervus intermedius- parasympathetic fibers
Lacrimal gland
Nasal mucosa
sphenopalatine ganglion
Great petrosal nerve
Nervus intermedius
superior salivatory nucleus
Corda tympani
Lingual nerve
Submandibular ganglion
Submandibular gland
Submaxillary gland

9. Crocodile tears

11. Facial nerve Motor nucleus: main motor nucleus
Parasympathetic nucleus:
superior salivatory nucleus
Sensory nucleus:
solitary nucleus
spinal nucleus of the trigeminal nerve
Nervus intermedius

12. Nervus intermedius- sensory fibers
Geniculate ganglion
SVA: taste of the anterior two-third of tongue (corda tympani and Gustatory nucleus )
GSA: sensory of external meatus

13. Summary of taste

14. Solitary nucleus Visceral afferent nucleus:
primary afferents supplying the alimentary tract and respiratory tract

16. Cerebellopontine angle
CP angle 有 4 條nerves: facial, cochlear, sup. + inf. Vestibular

17. CPA tumor: vestibular schwannoma

18. A

20. Summary of cranial nerve parasympathetic pathways

21. Facial colliculus

23. 40 year-old, male with a brain tumor over right parietal area

24. Left
Right