Definition of cranial nerve in English:
Each of twelve pairs of nerves that arise directly from the brain, not from the spinal cord, and pass through separate apertures in the skull.
- From the brain stem emerge pairs of cranial nerves, analogous to the spinal nerves that innervate the limbs and trunk.
- Occasionally, tumors may develop in the brain, on cranial nerves, or on the spinal cord.
- Cranial nerve palsies of the third, fourth and sixth cranial nerves may occur, affecting extraocular motility.
Definition of cranial nerve in:
- British & World English dictionary
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