Definition of cranial nerve in English:

cranial nerve


  • Each of twelve pairs of nerves which arise directly from the brain, not from the spinal cord, and pass through separate apertures in the skull.

    • ‘Your peripheral nervous system includes nerves in your face, arms, legs, torso, and some cranial nerves.’
    • ‘There are attachments to all the cranial nerves, as well as the internal carotid arteries and vertebral arteries.’
    • ‘From the brain stem emerge pairs of cranial nerves, analogous to the spinal nerves that innervate the limbs and trunk.’
    • ‘Cranial nerve palsies of the third, fourth and sixth cranial nerves may occur, affecting extraocular motility.’
    • ‘Occasionally, tumors may develop in the brain, on cranial nerves, or on the spinal cord.’