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CN (NEURO)
Cranial Nerves
| Term | Definition |
|---|---|
| smell | CN I |
| sight | CN II |
| muscle to levator palpebrae | III |
| sphincter papillae (light reflex) | III |
| ciliary muscle (lens focusing) | III |
| superior oblique eye muscle | IV |
| muscle of mastication | mainly V, but also XII |
| sensory of face | V |
| superior rectus, medial rectus, inferior rectus, inferior oblique | III |
| lateral rectus muscle of eye | VI |
| lesion can cause double vision | VI |
| lesion can cause medial deviation of eye | VI |
| facial expression | VII |
| stapedius muscle (sound dampening) | VII |
| lesion can cause facial paralysis | VII |
| lesion can cause hyperacusis | VII |
| mcous to hard/soft palate | VII |
| lacrimal glands | VII |
| salivayr glands | VII |
| mucous membbranes of nose | VII |
| anterior 2/3 of tongue taste | VII |
| skin of earwall of acoustic meatus | VII |
| external tympanic membrane | VII |
| primary auditory | VIII |
| balance and motion | VIII |
| elevates pharynx via stylopharyngeus | IX |
| responsible for gag reflex | IX |
| posterior 1/3 of tongue | IX |
| receives info from carotid body (oxygen levels) and carotid sinus (BP) | IX |
| lesion can produce difficulty swallowing | IX AND X |
| lesion can cause hoarseness | X |
| responsible for cough reflex | X |
| base of tongue taste | X |
| test by rotation of head | XI |
| test by shrugging of shoulders | XI |
| responsible for intrinsic and most extrinsic muscles of tongue (tongue movements) | XII |
| lesion can cause problem with speech | XII |
| innervate striated constrictor muscles of the pharynx, the palatine muscles (except for tensor veli palatini) | X |
| intrinsic laryngeal muscles | X |
| striated upper half of esophagus | X |
| thoracic and abdominal viscera | X |
| taste and sensation from epiglottis | X |
| trachea | X |
| bronchi | X |
| heart | X |
| digestive system to splenic flexure of the colon | X |
| general (not pain) sensation from thoracic and abdominal viscera | X |
| baroreceptors in aortic arch | X |
| chemoreceptors in aortic body | X |
| skin of external ear | X |
| external auditory canal | X |
| external surface of tympanic membrane | X |
| sensation from larynx | X |
| lower pharynx | X |
| turning head side to side | XI |
| shrugging shoulders | XI |
| lesion sometimes affect and process of mastication | XII |
| motor to pharyngeal arch | VII |
| meninges of posterior cranial fossa | X |
| enters brainstem at cerebellopontine angle | VIII |
Created by:
adriennemar
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