CN IX (GLOSSOPHARYNGEAL)-D. BRANCHES

SUMMARY

1. Tympanic branch: middle ear, mastoid, bony part of the auditory tube, secretory-motor to the parotid

2. Nerve to the stylopharyngeus

3. Carotid sinus nerve: supplies the carotid sinus baroreceptors & carotid body chemoreceptors

4. Pharyngeal branches: common sensation from the oropharynx, parasympathetic (from inferior salivary nucleus) & taste to the mucous and serous glands of the oropharynx

5. Tonsilar branch: mucous membrane of the palatine tonsil

6. Lingual branch: supplies the posterior 1/3 of the tongue with sensation and secretomotor fibres

7. Meningeal branch: posterior fossa meninges

Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.