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img025 - r—‘I 7 Originates in the PONS Exits the skull...

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Unformatted text preview: r—‘I 7 Originates in the PONS Exits the skull via ST YLOMASTOID F ORAMEN A MIXED NERVE motor to muscles of facial expression; sensogg to anterior 2/3 of tongue (taste buds) Part 0 the Parasympathetic Nervous System (PNS) VESTIBULOCOCHLEARD (VIII) (ACOUSTIC) Originates mostly from the PONS Exits the skull via INTERNAL ACOUSTIC MEA TUS A SENSORY NER VE VEST IBULAR I] Equilibrium COCHLEAR — Hearing GLOSSOPHARYNGEALD ( IX) Origins in the MEDULLA OBLONGA TA Exits the skull via J UGULAR F ORAMEN A MIXED NERVE sensory to back of tongue and throat areas; motor to small muscles and glands on back of tongue Part of Parasympathetic Nervous System (PNS) VAGUSD ( X ) Most origins in the MEDULLA OBLONGA TA Exits skull via JUGULAR FORAMEN A MIXED NERVE sensogg and motor to large area of neck, thorax, and abdomen A part of and major contributor to Parasympathetic Nervous System (PNS) Longest of the Cranial Nerves, has the most extensive distribution ACCESSORYD (XI ) Origins in the MEDULLA OBLONGA TA and upper Cervical Cord Exits skull via J UGULAR F ORAMEN Primarily a MOTOR NERVE (muscles of larynx, esophagus, stemocleidomastoid, andE trapezius) 7 HYPOGLOSSALEI ( XII ) Origins in the MEDULLA OBLONGA TA Exits skull via H YPOGLOSSAL CANAL Primarily a MOTOR NERVE E to the muscles of the tongue ...
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