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9B) CN IX (GLOSSOPHARYNGEAL)-ORIGIN

Anatomy-Neuroanatomy

9B) CN IX (GLOSSOPHARYNGEAL)-ORIGIN

1. Nucleus ambiguus (upper medulla) - stylopharyngeus.
2. Nucleus tractus solitarius (lower medulla) - taste fibres from the posterior tongue & afferents from the carotid sinus, body.
3. Inferior salivary nucleus (pons) - lesser petrosal nerve (secretomotor to the parotid) which synapses in the otic ganglion.
4. Trigeminal ganglion/nucleus - ordinary sensation from the tongue, pharynx, palate & tonsil.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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