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Cranial motor cell bodies location
nuclei are in the brain
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Cranial nerves sensory cell bodies located
in cranial sensory ganglia and in special sense organs
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CN II
Optic, vision, through optic canal, to occipital lobe
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CN III
- Oculomotor, 4 eye muscles, levator palpebrae superioris
- to IRIS for pupil constriction
- Through: Superior orbital fissure
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CN IV
- Trochlear, superior oblique
- Through: Superior orbital fissure
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CN V
- Trigeminal nerve,
- V1 (opthalmic)
- V2 (maxillary)
- V3 (mandibular)
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CN V V1
- Opthalmic
- Through: upraorbital foramen; superior orbital fissure
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CN V V2
- Maxillary
- Through: infraorbital foramen; foramen rotundum
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CN V V3
- Mandibular
- Through: Metal foramen; foramen ovale
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CN VII
- Facial nerve
- Through: Internal acoustic meatus; stylomastoid foramen
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Motor functions of CN VII
Facial muscles, lacrimal glands, salivary glands
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Sensory functions of VII
taste (anterior 2/3 of tongue, chorda tympani nerve)
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CN VIII
- Vestibulocochlear
- 2 nerves: Cochlear Nerve, Vestibular Nerve
- Foramen: Internal acoustic meatus
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CN IX
- Glossopharyngeal
- taste, swallow, saliva, BP
- Through: Jugular foramen
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CN IX Sensory functions
taste, bp
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CN IX motor functions
swallow, saliva
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CN X
- Vagus nerve
- Parasympathetic to most organs
- pharyngeal muscles (swallowing)
- laryngeal muscles (Vocal sounds)
- Through: Jugular foramen
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CN XI
- Accessory
- Motor to: Trapezius muscle, sternocleidomastoid
- Through: jugular foramen
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CN XII
- Hypoglossal
- motor to muscles of tongue
- Through: hypoglossal canal
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