trigeminal nerve

American  

[trahy-jem-uhn-uhl nurv] / traɪˈdʒɛm ən əl ˈnɜrv /

noun

1. Anatomy. either one of the fifth pair of cranial nerves, consisting of motor fibers that innervate the muscles of mastication, and of sensory fibers that conduct impulses from the head and face to the brain.

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trigeminal nerve British  

noun

1. 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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trigeminal nerve Scientific  

/ trī-jĕm′ə-nəl /

1. Either of the fifth pair of cranial nerves, having sensory and motor functions in the face, teeth, mouth, and nasal cavity.

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Example Sentences

Trigeminal neuralgia is usually caused by compression of the trigeminal nerve - which transmits sensations of pain and touch from your face, teeth and mouth to the brain.

From BBC • Feb. 3, 2026

One was the trigeminal nerve, which carries sensory information from the skin and surface of the head.

From Science Daily • Dec. 18, 2025

The researchers achieved this by manipulating the trigeminal nerve in the nose, which carries sensory information like smell and temperature between the brain and the face.

From Slate • Oct. 29, 2021

The pain itself is caused by dilated blood vessels pressing on the trigeminal nerve.

From Washington Post • Apr. 2, 2021

The plexiform neuroma forms a loose soft tumour situated in the course of one or more branches of the trigeminal nerve, especially the supra-orbital branch.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander