trigeminal nerve


noun

either one of the fifth pair of cranial nerves, which supply the muscles of the mandible and maxilla. Their ophthalmic branches supply the area around the orbit of the eye, the nasal cavity, and the forehead

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Medical definitions for trigeminal nerve

trigeminal nerve

n.

The chief sensory nerve of the face and the motor nerve of the muscles of chewing. The nuclei of the nerve are in the mesencephalon and in the pons and extend down into the cervical portion of the spinal cord. The nerve emerges by two sensory and motor roots from the pons and enters a cavity of the dura mater at the temporal bone, where its sensory root expands to form the trigeminal ganglion that forms three branches that are designated ophthalmic, maxillary, and mandibular.fifth cranial nerve trigeminus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for trigeminal nerve

trigeminal nerve
[ trī-jĕmə-nəl ]

Either of the fifth pair of cranial nerves, having sensory and motor functions in the face, teeth, mouth, and nasal cavity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.