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nervous system
nerve
| Term | Definition |
|---|---|
| olfactory | carries impulses for the sense of smell toward the brain |
| optic | carries visual impulses from the eye to the brain |
| oculomotor | controls movement of eye muscles; carries the parasympathetic fibers that constrict the pupil |
| trochlear | controls a muscle of the eyeball |
| trigeminal | carries sensory impulses from the eye, upper jaw, and lower jaw toward the brain; controls chewing muscles |
| abducens | controls a muscle of the eyeball |
| facial | controls muscles of facial expression, carries sensation for taste, stimulates small salivary glands and lacrimal (tear) glands |
| vestibulocochlear | carries impulses for hearing and equilibrium from the inner ear toward the brain; also called auditory or acoustic nerve |
| glossopharyngeal | carries sensory impulses from the tongue and pharynx (throat), controls swallowing muscles, and stimulates the parotid salivary gland |
| vagus | supplies most of the organs in the thoracic and abdominal cavities; carries motor impulses to the larynx (voice box) and pharynx |
| spinal accessory | controls muscles in the neck and larynx |
| hypoglossal | controls muscles of the tongue |
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