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| only N w/ direct input into cortex, olfactory stria go into olfactory cortex, starts in forebrain, SVA |
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| starts in forebrain, involved w/ vision, SSA |
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| starts in midbrain, can see sup colliculus, 2 nuclei, 1) oculomotor nucleus ( GSE ), 2) edinger westphal nucleus, PANS, pupillary light reflex & adjusting to distance ( GVE ) inn sup rectus ( elevates, aDducts, med rotate eyeball ), inf rectus ( depress, aDducts, lat rotate eyeball ), med rectus ( aDducts eyeball ), inf oblique ( aBducts, elevates, lat rotate eyeball ), levator palpebrae superiorus ( elevates sup eyelid ) |
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| starts in midbrain, can see inf colliculus, trochlear nucleus, GSE, inn sup oblique muscle |
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| starts @ pons, trigeminal nuclei: motor nucleus ( more med ) @ mid pons, main sensory nucleus ( more lat ) @ mid pons, mesencephlaic nucleus @ rostral pons ( in periductal gray ) ( comm w/ motor nuc of V, involved in jaw jerk reflex, proprioception of jaw & force of bite ) spinal nucleus @ caudal medulla, 3 divisions: 1) opthalmic ( GSA ), 2) maxillary ( GSA ), 3) mandibular ( GSA & BE ) ( BE = muscles of mastication )...5 gets some taste sense, but 7 brings it to cortex, so it gets credit for it |
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| starts @ mid pons, GSE, inn lat rectus |
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| nuclei: 1) motor nucleus ( major muscles of facial expression ) @ mid pons 2) sup salivatory nucleus ( motor ) @ mid pons ( PANS inn to submandibular & sunlingual glands ) GVE 3) rostral solitary nucleus ( deals w/ taste, ant 2/3 of tongue ) ( afferent ) ( SVA ) modalities: BE, GSA, GVE, SVA |
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| 2 nuclei @ medulla: 1) vestibular nucleus ( equilibrium ) 2) cochlear nucleus ( hearing ) SSA |
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| 3 nuclei @ medulla: 1) solitary nucleus ( involved in taste, post 1/3 of tongue ) ( SVA ) 2) inf salivatory nucleus ( PANS to parotid gland ) ( GVE ) 3) nucleus ambiguous ( BE ) ( stylopharyngous muscle ) modalities: BE, GSA, GVE, GVA, SVA |
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| 3 nuclei @ medulla: 1) solitary nucleus ( SVA ) ( taste from epiglottis ) 2) dorsal motor nucleus of X ( handles efferent info that goes to visceral organs ) ( GVE ) 3) nucleus ambiguous ( BE ) ( inn pharynx, larynx, palate ) modalities: BE, GSA, GVE, GVA, SVA |
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| accessory nucleus @ spinal cord, cranial root ( axons are part of CN X, inn larynx, pharynx, palate ) ( SVE ), spinal root ( inn sternocloidmastoid, trapezius ) ( SVE ) but recent research shows that only spinal N roots exist |
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| hypoglossal nuclei @ medulla, GSE, inn motor muscles of tongue |
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BE & GSA always paired together
IX & X have same modalities...BE, GSA, GVE, GVA, SVA |
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