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Terms in this set (12)
Olfactory nerve; carries smell information from olfactory epithelium/olfactory bulb to olfactory cortex.
Optic nerve; carries visual information from the retina to higher brain levels.
Occulomotor nerve; innervates 4 of 6 extraoccular eye muscles (medial rectus, superior rectus, inferior rectus, inferior oblique); required for pupillary light reflex; usually pokes out between the superior cerebellar artery and the posterior cerebral artery.
Trochlear nerve; innervates 1 of 6 extraoccular eye muscles (superior oblique); is the only cranial nerve to protrude from the dorsum of the brainstem (eventually looping around to the ventral surface) rather than the ventral surface.
Trigeminal nerve; contains a motor component, which provides innervation to some muscles of mastication; contains a sensory component, which carries sensory information from the face to the CNS. Three divisions of the nerve do this: V1 = Ophthalmic nerve; V2 = Maxillary nerve; V3 = Mandibular nerve
Abducens nerve; innervates 1 of 6 extraoccular muscles (lateral rectus); appears right at the junction of the pons and medulla.
Facial nerve; contains a motor component that provides innervation to muscles of the face; contains a sensory component that carries taste information from the anterior 2/3 of tongue back to the CNS.
Vestibulocochlear nerve; provides hearing and vestibular information from the inner ear back to the brainstem.
Glossopharyngeal nerve; carries sensory information from the pharynx back to the CNS; carries taste information from the posterior 1/3 of tongue back to the CNS; located dorsal to the olives.
Vagus nerve; provides innervation to muscles of the palate, pharynx, and larynx; provides parasympathetic innervation to structures down to the transverse colon; located dorsal to the olives.
Accessory nerve; provides innervation to the trapezius and sternocleidomastoid (SCM) muscles; located dorsal to the olives.
Hypoglossal nerve; provides innervation to the tongue; located just ventral to the olives.
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