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Cranial Nerve_JL
12 cranial nerves: structures & functions
Question | Answer |
---|---|
1st cranial nerve | Olfactory; Sensory; detects smell |
2nd cranial nerve | Optic; Sensory; detects vision |
3rd cranial nerve | Oculomotor; Motor; external eye muscle + sphicter&dilator; parasympathetic |
4th cranial nerve | Trochlear; Motor; external eye muscle; comes out backward initially |
5th cranial nerve | Trigeminal; 5-1 sensory near eye; 5-2 sensory mid-face; 5-3 sensory near chin + motor-mastification (chewing) |
6th cranial nerve | Abducens; Motor; external eye muscle |
7th cranial nerve | Facial; Sensory- anterior tongue taste; Motor- facial expression; parasympathetic |
8th cranial nerve | Vestibulocochlear; sensory; balance + auditory |
9th cranial nerve | Glossopharyngeal; sensory- posterior tongue taste; motor- salivary gland |
10th cranial nerve | Vagus; sensory- foregut, midgut, pharyngeal taste; motor- intestinal smooth muscle; parasympathetic |
11th cranial nerve | Accessory; Motor |
12th cranial nerve | Hypoglossus; Motor; Tongue muscles |