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Cranial Nerves, INJURY
Eye can no longer abduct, INJURY
Trigeminal…
Cranial Nerves
CN X Vagus (SVE, GSA, SVA, GVA, GVE-P
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GVE-P
Larynx, tracheobronchial tree, esophagus, cardiac plexus, GI tract
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CN VII Facial SVE, GVE-P, SVA, GSA
(MOTOR Facial Expressions) &
sensory 2/3 of tongue
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Origin PONS
Internal acoustic meatus--> temporal bone
Exists STYLOMASTOID FORAMEN and enter parotid gland
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CN IX Glossopharyngeal
(SVE, GSA, GVA, SVA, GVE-P)
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CN II: Optic
(SSA)
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Vision: Indirect and direct light reflex
Or visual acuity (afferent for accommodation/pupillary reflexes)
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CN IV: Trochlear
(GSE)
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GSE
Superior oblique muscle
(abduct, depress, medially rotate pupil)
CN VI: Abducens
(GSE)
Origin Pons
Pierces clvurs dura and goes through cavernous sinus and enters superior orbital fissures
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