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Cranial Nerves
Term | Definition |
---|---|
Cranial Nerve I | Olfactory Nerve: Sensory nerve. Perception of smell from the nasal cavity. |
Cranial Nerve II | Optic Nerve: Sensory nerve. Vision of retina. |
Cranial Nerve III | Oculomotor Nerve: Motor nerve. Motor function to superior rectus and inferior rectus, medial rectus, inferior oblique, and levator palpebrae superioris mucles, raises superior eyelid. |
Cranial Nerve IV | Trochlear Nerve: Motor nerve. Super oblique muscle that assists in turning of the eye inferio laterally. |
Cranial Nerve V | Trigeminal: 3 branches.*Opthalmic;Sensory-Sensation from cornea, scalp, eyelids, nose, mucose of nasal cavity.*Maxillary;Sensory-Skin over maxilla, upper lip, maxillary teeth, mucosa of nose, sinuses, palate.*Mandibular;Motor-muscles of mastication. |
Cranial Nerve VI | Abducent Nerve: Motor nerve. Lateral rectus muscle to turn eye laterally. |
Cranial Nerve VII | Facial:Sensory/Motor nerve. S= Muscles of face. Taste=Anterior 2/3 of tongue, sensory soft palate.M=Submandibular, sublingual, lacrimal glands. |
Cranial Nerve VIII | Vestibulocochlear: Sensory nerve. Auditory and equilibrium. |
Cranial Nerve IX | Glossopharyngeal: Sensory/Motor nerve. S=Tonsil, pharynx, middle ear. M=Stylopharyngeus, upper pharyngeal muscles, parotid gland. Taste=Posterior 1/3 of tongue. |
Cranial Nerve X | Vagus: Sensory/Motor nerve. S=Heart, lungs, trachea, bronchi, larynx, pharynx, GI tract, external ear. M=Heart, lungs, palate, pharynx, larynx, trachea, bronchi, GI tract. |
Cranial Nerve XI | Accessory:Motor nerve. Sternocleidomastoid, trapezius muscles. |
Cranial Nerve XII | Hypoglossal; Motor/Spinal Nerve Fibers. Tongue muscles. |