trigeminal nerve


Definition of trigeminal nerve

: either of a pair of large mixed nerves that are the fifth cranial nerves and supply motor and sensory fibers mostly to the face

called also trigeminal

Examples of trigeminal nerve in a Sentence

Recent Examples on the Web Mint, for example, stimulates the trigeminal nerve. Dr. Samuel Rothman, ABC News, 10 Apr. 2021 These can include stimulating saliva with umami flavor and stimulating the trigeminal nerve, which amongst other roles, regulates spicy-food sensations like stinging, cooling or even burning. Dr. Samuel Rothman, ABC News, 10 Apr. 2021 The cookbook, which was released March 29, includes 17 recipes that emphasize texture, umami, layering and stimulating the trigeminal nerve, while eliminating common ingredients that could be offensive, like garlic and onions. Washington Post, 7 Apr. 2021 First, a foreign particle stimulates the trigeminal nerve, the largest nerve connecting to the brain. Carolyn L. Todd, SELF, 8 Mar. 2019 Once stimulated, the trigeminal nerve relays a message to the brain, which then sends out various action signals to the body, Dr. Voigt explains. Carolyn L. Todd, SELF, 8 Mar. 2019 Neck issues can happen with both migraines and tension headaches thanks to your trigeminal nerve, which transmits information about pain in your head and neck to your brain, according to the NINDS. Carolyn L. Todd, SELF, 23 Oct. 2018 Or maybe some of your brain chemicals that help regulate pain, like serotonin, are out of whack, again looping in that good ol’ trigeminal nerve to cause discomfort. Korin Miller, SELF, 7 Sep. 2018 In the 1980s researchers began to target the trigeminal nerve system, the brain’s primary pain pathway. David Noonan, Scientific American, 1 Dec. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trigeminal nerve.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of trigeminal nerve

1830, in the meaning defined above

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The first known use of trigeminal nerve was in 1830

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Dictionary Entries Near trigeminal nerve


trigeminal nerve

trigeminal neuralgia

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Cite this Entry

“Trigeminal nerve.” Dictionary, Merriam-Webster, Accessed 30 Jul. 2021.

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More Definitions for trigeminal nerve

trigeminal nerve


Medical Definition of trigeminal nerve

: either of the fifth pair of cranial nerves that are mixed nerves and in humans are the largest of the cranial nerves and that arise by a small motor root and a larger sensory root which both emerge from the side of the pons with the sensory root bearing the trigeminal ganglion and dividing into ophthalmic, maxillary, and mandibular nerves and the motor root supplying fibers to the mandibular nerve and through this to the muscles of mastication

called also fifth cranial nerve, trifacial nerve, trigeminus

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