Crainal nerves
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Created by:
katieyoung42 on February 11, 2010
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29 terms
Terms | Definitions |
|---|---|
 CN I | Olfactory |
| CN II | Optic |
| CN III | Oculomotor |
| CN IV | Trochlear |
| CN V | Trigeminal |
| CN V1 | Opthalmic |
| CN V2 | Maxillary |
| CN V3 | Mandibular |
| CN VI | Abducens |
| CN VII | Facial |
| CN VIII | Vestibulocochlear |
| CN IX | Glossopharyngeal |
| CN X | Vagus |
| CN XI | Accessory |
| CN XII | Hypoglossal |
| Olfactory (function) | sensory- special (smell) |
| Optic (function) | sensory- special (vision) |
| Oculomotor (function) | motor- skeletal (extra-ocular-lifts upper lid, 5); motor- parasymph. (pupillary- closes pupil, ciliary muscle- changes shape of lens) |
| Trochlear (function) | motor- skeletal (extra-ocular- superior oblique) |
| Ophthalmic (function) | sensory- somatic afferent (skin of forehead, upper eyelid, cornea, dorsum of nose, sclera, nasal cavity) |
| Maxillary (function) | sensory- somatic afferent (skin of cheek, lower eyelid, lateral nose, upper teeth, gums, mucus membrane on palate, nasal cavity) |
| Mandibular (function) | motor- pharyngeal (muscles of mastication, inferior digastric, mylohyoid, 2 tensors) and sensory- somatic afferent (skin of chin, lower cheek, lower lip, lower teeth and gums, toungue, muscus membrane of oral cavity) |
| Abducens (function) | motor- skeletal (extra-ocular muscle, lateral rectus) |
| Facial (function) | motor- pharyngeal (muscles of facial expression, posterior belly of digastric, stylohyoid) and motor- parasymph. (lacrimal gland, mucus glands of nasal cavity and palate, submandibular and sublingual) and sensory- somatic afferent (skin of posterior ear and area) and sensory- special (taste, anterior 2/3 of toungue |
| Vestibulocochlear (function) | sensory- special (hearing and balance) |
| Glossopharyngeal (function) | motor- pharyngeal (stylopharyngeal) and motor- parasymph. (parotid gland) and sensory- somatic afferent/efferent (muscus membrane of middle ear, internal surface of tympanic membrane, mucous membrane of pharynx, general sensation to posterior 1/3 of toungue, carotid body and sinus) and sensory- special (taste of posterior 1/3 of toungue) |
| Vagus (function) | motor- pharyngeal (muscles of soft palate, pharynx, larynx) and motor- parasymph. (viscera of thorax, abdomen, mucous glands of mucus membrane, lining of pharynx and larynx) and sensory- somatic afferent (skin lining external auditory meatus, external surface of tympanic membrane) and sensory- somatic efferent (all organs its supplies, mucous membrane lining of larynx) and sensory- special (taste, most posterior aspect of tongue and epiglottis) |
| Accessory (function) | motor- skeletal (scm, trapezius) |
| Hypoglossal (function) | motor- skeletal (intrinsic/extrinsic muscles of tongue) |
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