Overview of Cranial Nerves Carrying Parasympathetics

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An overview to help learn things by heart for the 1st year anatomy exam at Cambridge medical school.

An overview to help learn things by heart for the 1st year anatomy exam at Cambridge medical school.

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  • 1. Overview Parasympathetics o Travel with cranial nerves III, VII and IX, then meet V in ganglion and postganglionic fibres are carried by a branch of V!!!! o V does not have any pre-ganglionic parasympathetic fibres!!! o Parasympathetic ganglia also have sympathetic components Preganglionic Parasympathetic Location of Postganglionic Nerve Nucleus Function nerve Ganglion Ganglion nerve(s) Short ciliary Inferior division Innervation of Edinger branch ofIII. Oculomotor of occulomotor Ciliary ganglion Inferior to eye Sphincter Westphal nasociliary nerve, nerve pupillae muscle Va Nervus In facial canal in greater petrosal, Sensory Geniculate ganglion intermedius, VII petrous temp. bone continuation: VII ganglion? Branches of Vb: - zygomatic “hayfever - nasopalatine, Pterigopalatine glands”: post. superior fossa between - lacrimal Greater petrosal Pterigopalatine nasal pterygoid plates of - nasal Superior nerve ganglion - greater palatine, sphenoid and - palatine salivary, lat. post.inf. nasalVII. Facial palatine bone - pharyngeal Nucleus - lesser palatine solitarius - pharyngeal lacrimal Va lacrimal gland Infratemporal 1. taste in ant. 2 fossa/ /3 of tongue lingual branch of Submandibular submandibular 2. sublingual Chorda tympani Vc (off posterior ganglion fossa on medial gland division) side of body of 3. submandi- mandible bular gland Inferior to Auriculotemporal Inferior Lesser petrosal foramen ovale inIX. Glossopharyngeal Otic ganglion branch of Vc (off parotid gland salivary nerve infratemporal posterior division) fossa C. Riedinger 2011