Nemitz-Head ANS
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show | IML T1-T5
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Presynaptic sympathetic axon pathways to get up to the neck | show 🗑
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Superior Cervical ganglia is made up of what | show 🗑
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How do postsynaptic sympathetic axons travel to their target organ? | show 🗑
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show | 1.Dilator pupillae M (dilates pupil, CN V).
2.Superior Tarsal M (elevates eyelid, CN V).
3.Blood vessels (Vasoconstriction).
4.Sweat glands (diaphoresis).
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Horner's Syndrome | show 🗑
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Pathways of Postsynpatic Cervical sympathetic Ganglia axons | show 🗑
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Presynaptic neurons of the Parasympathetics for the head and neck | show 🗑
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show | Brainstem > Presynp axons: CN III > Postsynp nucleus: Ciliary Ganglion > Postsynp axons: CN V1 (short ciliary N)
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Targets of Ciliary parasympathetic ganglia | show 🗑
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show | Allows the eye to quickly adjust from near to far or far to near and stay in focus.
**Decreases with age.
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Pathways of Pterygopalatine Ganglion parasympathetics | show 🗑
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show | 1.Lacrimal gland (keeps the eye moist with tears).
2.Mucous Glands/membranes in Naso/oropharynx and sinuses
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show | Presynp nucleus: Brainstem > presynp axons: CN VII > Nervus Intermedius > Chondra Tympani > Lingual > Postsynp nucleus: Submandibular ganglion > Postsynp axons: CN V3 (Lingual N) and blood vessels
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show | 1.Submandibular gland.
2.Sublingual gland.
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show | Loss of taste on anterior 2/3 of tongue and salivary gland activity
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Locations of the CN VII ganglia | show 🗑
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show | Presynp Nucleus: Brainstem > Presynp axons: CN IX > Tympanic N > Lesser Petrosal N > Postsynp nucleus: Otic ganglion > postsynp axons: CN V3 Auriculotemporal N
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show | Located just inferior to foramen ovale. Targets: Parotid gland.
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CN V branches carrying postsynp parasympathetic pterygopalatine axons | show 🗑
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show | Superior cervical Ganglion/Periarterial Plexus use V1, V2, and V3 branches
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Parasymp and symp acting on the Orbit | show 🗑
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show | Parasymp: CN VII/pterygopalatine ganglion (mucous membranes, mucous production).
Sympathetic: Superior cervical ganglion (vasoconstriction)
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show | Parasymp: CN IX/otic ganglion (parotid salivation).
Sympathetics: Superior cervical ganglion (Reduce secretion, vasoconstrict)
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Created by:
WeeG
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