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Superior Cervical ganglion

SYMPATHETIC GANGLIA. Cell bodies start here…. …then synaspe here. Preganglionic fibers run here…. Continue on as postganglionic fibers…. …and end here!. Ventral root  vpr  white rami  sympathetic trunk-- . Superior Cervical ganglion. Lateral horn T1-T4. Gray rami. C1-C4

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Superior Cervical ganglion

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  1. SYMPATHETIC GANGLIA Cell bodies start here… …then synaspe here Preganglionic fibers run here… Continue on as postganglionic fibers… …and end here! Ventral root  vpr  white rami  sympathetic trunk-- Superior Cervical ganglion Lateral horn T1-T4 Gray rami C1-C4 Also to external carotid Cardiac plexus Pharyngeal plexus Horner’s Syndrome: Cut before Superior cervical ganglion and present with… Meiosis (pinpoint pupil) Anhydrosis (can’t sweat) Partial ptosis (upper lid droops) Middle Cervical ganglion Ventral root  vpr  white rami  sympathetic trunk Lateral horn T1-T4 Gray rami C5, C6 Also to heart, thyroid & upper limb Inferior Cervical ganglion Ventral root  vpr  white rami  sympathetic trunk Lateral Horn T1-T4 Gray rami C7, C8, T1 Also to heart & upper limb Fuses with first thoracic ganglion = stellate ganglion!

  2. Parasympathetic Ganglia Edinger-Westphal nucleus Pupillae sphincter- constricts pupil Ciliary muscle- rounds up lens Ciliary ganglion Short ciliary n. III Superior Salivatory Nucleus Chorda tympani n. carries parasympathetic fibers Sublingual gland Submandibular gland VII Submandibular ganglion N. To pterygoid canal Greater petrosal n. Carries parasympathetic fibers Hitchhikes on maxillary n. Superior Salivatory Nucleus Lacrimal gland Nasal gland Palatine gland Pterygopalatine ganglion VII Deep petrosal n. Carries sympathetic fibers Warning: Sympathetic does not synapse here! Inferior Salivatory Nucleus Hitchhike on auriculotemporal n. IX Otic ganglion Partotid gland

  3. SENSORY GANGLIA Semilunar Ganglion aka Trigeminal V V1, V2, V3 Chorda tympani carries sensory fibers Skin around external acoustic meatus Taste- anterior 2/3 of tongue VII Geniculate ganglion

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