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Head Neck Auto
WVSOM -- Gross Anatomy -- Head and Neck Autonomics
| Question | Answer |
|---|---|
| Describe the parasympathetic pathways associated with CN III thru the ciliary ganglion pathway. | CN III Nucleus > CN III > Cilary Ganglion (synapses) > short ciliary nerves (V1) |
| Where are the presynaptic neurons in the cilary ganglion pathway? | CN III nucleus |
| Where are the presynaptic neurons in the ciliary ganglion pathway | CNIII |
| Where are post synaptic axons in the ciliary ganglion pathway? | short ciliary nerves |
| What end organs do the Ciliary Ganglion Pathway synpase on? | Sphincter papillae muscle and ciliary body |
| What is the function of the parasympathetics on the sphincter papillae muscle? | papillary constriction |
| What is the parasympathetic effect on the ciliary body? | accommodation |
| Describe the Pterygopalatine Ganglion Pathway | CN VII Nucleus > CN VII > Nervus Intermedius/Greater petrosal nerve/Nerve of the pterygoid canal > pterygopalatine ganglion > trigeminal branches |
| Where are the presynaptic axons of the ptherygopalatine ganglion pathway? | CN VII?nervus Intermedius/greater petrosal nerve/nerve of the pterygoid canal |
| Where do the presynaptic axons synapse in the pterygopalatine ganglion pathway? | ptherygopalatine ganglion |
| Where are the post synaptic axons of the pterygopalatine ganglion pathway? | trigeminal branches |
| What are the end organs of the pterygopalatine ganglion pathway? | lacrima gland and mucous glands/membranes |
| Describe the submandibular ganglion pathway | CNVII Nucleus > CN VII/nervus intermedius/chorda tympanti/lingual nerve > submandibular ganglion > bloodvessels/trigeminal branches |
| What are the end organs in the submandibular ganglion pathway? | sumbandibular gland sublingal gland |
| Where do presynaptic axons synapse in the submandibular ganglion pathway? | submandibular ganglion |
| Describe the Otic Ganglion Pathway | CN IX nucleus > CN IX/tympanic nerve/ lesser petrosal nerve > otic ganglion > auriculotemportal nerve |
| What is the auriculotemporal nerve a branch of? | V3 |
| Where do presynaptic axons synapse in the otic ganglion pathway? | otic ganglion |
| What does the otic ganglion pathway innervate? | parotid gland |
| Describe the pathway of the sympathetic Pathways of the head. | IML (T1-T5) > ventral roots > rami > white rami communicans > sympathetic chain > presynaptic axons > superior cervical ganglion > Periarterial Plexus/CN V > end organs |
| What are the end organs of the sympathetic pathways of the head? | dilator pupillae m, superior tarsal m, blood vessels, sweat glands |
| Describe the sympathetic pathways of the neck. | IML (T1-T5)> ventral roots > rami > white rami communicans > sympathetic chain > cercial sympathetic ganglia > grey rami communicans/spinal nerves |
| Where do the presynaptic sympathetic neck pathways synapse? | cervical sympathetic ganglion |
| Where do the presynaptic sympathetic head pathways synpase | superior cervical ganglion |
| What is the function of the sympathetics to the neck? | blood vessel vasoconstriction and sweat gland diaphoresis |
| What are the parasympathetic relationships to the trigeminal nerve from the ciliary ganglion? | short ciliary nerves (V1) |
| What are the parasympathetic relationships to the trigeminal nerve from the pterygopalatine ganglion? | zygomatic nerve (V2) Lacrimal Nerve (V1) Palatine Nerves (V2) Nasal Nerves (V1 and V2) |
| What are the parasympathetic relationships to the trigeminal nerve from the submandibular ganglion to the trigeminal nerve? | lingual nerve (v3) |
| What are the parasympathetic relationships to the trigeminal nerve from the otic ganglion? | auriculotemporal nerve (V3) |
| What are the sympathetic relationships to the trigeminal nerve from the superior cervical ganglion/periarterial plexus? | opthalmic, maxillary and mandibular nerve branches |
| What is the parasympathetic innervation of the orbit? | CN III/ciliary ganglion innervates sphincter papillae m, puillary constriction and ciliary body for accomodation. CN VII/pterygopalatine ganglion innervates the lacrimal gland and lacrimation |
| What is the result of sympathetic innervation to the orbit? | blood vessels, vasoconstriction, dilator pupillae, pupillary dilation and superior tarsal muscle |
| What does parasympathetic innervation of the nasal cavity result in? | mucous produciton from the mucus membranes |
| What parasympathetics innervate the nasal cavity? | CN VII/Pterygopalatine ganglion |
| What parasympathetic pathway innervates the parotid gland? | CN IX/Otic Ganglion Pathway |
| What causes Horner's syndrome? | lesion of the sympathetic pathway to the head. |
| What are the symptoms of horner's syndrome? | Ipsilateral vasodilation, miosis, ptosis and anidrosis |
Created by:
tjamrose
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