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CranialNerves123

cranial nerve numbers and functions

TermDefinition
CN I olfactory, special sense of smell
CN II optic ,special sense of vision
CN III oculomotor, somatic motor for extrinsic eye muscles, ciliary body, pupillary sphincter
CN IV trochlear, somatic motor to superior oblique eye muscle (SO4)
CN V - branch 1 trigeminal, general sensory for upper head and face
CN V - branch 2 trigeminal, general sensory to maxillary region of face
CN V - branch 3 trigeminal, general sensory for lower jaw and face; somatic motor to muscles of mastication
CN VI abducens, somatic motor to lateral rectus eye muscle (LR6)
CN VII facial, special sense of taste from anterior 2/3 of tongue, somatic motor to muscles of facial expression, visceral motor to submandibular, sublingual, and lacrimal glands
CN VIII vestibulocochlear, special sense of audition and equilibrium
CN IX glossopharyngeal, general sense from pharynx special sense of taste from posterior 2/3 of tongue, visceral sense from carotid baroreceptors and chemoreceptors, visceral motor to parotid gland, general motor to pharynx muscles
CN X vagus, minor special sense of taste from epiglottis visceral sense from viscera visceral motor to viscera somatic motor to pharynx and larynx
CN XI spinal accessory ,somatic motor to pharynx, larynx, sternocleidomastoid & trapezius
CN XII hypoglossal, somatic motor to tongue
Created by: mcyangers