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Cranial Nerves

QuestionAnswer
Function: smell Origin: receptors of olfactory epithelium Passes through: cribriform plate Destination: olfactory bulbs Olfactory nerve (N I)
Function: vision Origin: retina of eye Passes through: optic canal Destination: diencephalon by way of optic chiasm Optic nerve (N II)
Function: eye movements Origin: mesencephalon Passes through: superior orbital fissure Destination: somatic motor (superior/inferior/medial rectus, inferior oblique muscle Oculomotor nerve (N III)
Function: eye movements Origin: mesencephalon Passes through: superior orbital fissure Destination: superior oblique muscle Trochlear nerve (N IV)
Function: Ophthalmic/maxillary branches sensory, Mandibular branch mixed Origin: above Passes through: Ophthalmic: superior orbital fissure, Maxillary: foramen rotundum, mandibular: foramen ovale Destination: all to sensory nuclei in pons Trigeminal nerve (N V)
Function: eye movements Origin: pons Passes through: superior orbital fissure Destination: lateral rectus muscle Abducens nerve (N VI)
Function: B Origin: taste receptors (anterior 2/3 of tongue), motor from motor nuclei of pons Passes through: internal acoustic meatus of temporal bone along facial canal to reach stylomastoid foramen Destination: sensory to nuclei of pons Facial nerve (N VII)
Function: hearing, balance/equilibrium Origin: vestibule/cochlea Passes through: internal acoustic meatus Destination: vestibular/cochlear nuclei of pons/medulla oblongata Vestibulocochlear nerve (N VIII)
Function: B Origin: sensory from posterior 1/3 of tongue, pharynx, palate, motor from medulla obl Passes through: jugular foramen Destination: sensory fibers of medulla obl, somatic motor: pharyngeal muscles, visceral: salivary gland Glossopharyngeal nerve (N IX)
Function: B Origin: visceral sensory from visceral organs, visceral motor from medulla obl Passes through: jugular foramen Destination: sensory nuclei in medulla obl, somatic to palate/pharynx, visceral to organs Vagus nerve (N X)
Function: motor Origin: nuclei of spinal cord/medulla Passes through: jugular foramen Destination: internal branch to muscles of palate/pharynx/larynx, external branch to sternocleidomastoid/trapezius Accessory nerve (N XI)
Function: motor Origin: motor nuclei of medulla oblongata Passes through: hypoglossal canal Destination: muscles of the tongue Hypoglossal nerve (XII)
Which nerves pass through the superior orbital fissure? 3, 4, 5 (ophthalmic branch), 6
Which nerve passes through foramen rotundum? 5 (maxillary division)
Which nerve passes through foramen ovale? 5 (mandibular division)
Which nerve passes through internal acoustic meatus? 7, 8
What nerve passes through jugular foramen? 9, 10, 11
Created by: qclemenz
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