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In neuroanatomy, the trigeminal nerve (lit. triplet nerve), also known as the fifth cranial nerve, cranial nerve V, or simply CN V, is a cranial nerve responsible for sensation in the face and motor functions such as biting and chewing; it is the most complex of the cranial nerves.
Your trigeminal nerve, also known as cranial nerve 5 or CN V, is a large, three-part nerve in your head that sends signals from your brain to parts of your face, and vice versa. You have two trigeminal nerves — one on each side of your face.
Trigeminal neuralgia is a clinical condition characterized by sharp, electrical, shock-like, paroxysmal lancinating pain within the distribution of one or more trigeminal nerve branches. Most cases are due to trigeminal nerve compression at the root entry zone by the superior cerebellar artery.
The trigeminal nerve is a mixed cranial nerve that has both sensory and motor functions. There are three divisions of the trigeminal nerve: Ophthalmic division (CN V1 or Va), Maxillary division (CN V2 or Vb), Mandibular division (CN V3 or Vc). The acronym MOM can be used to recall the three branches of the trigeminal nerve.
The trigeminal nerve, CN V, is the fifth paired cranial nerve. It is also the largest cranial nerve. In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its terminal branches.
Trigeminal neuralgia (try-JEM-ih-nul nu-RAL-juh) is a condition that causes intense pain similar to an electric shock on one side of the face. It affects the trigeminal nerve, which carries signals from the face to the brain.
The trigeminal nerve, the nerve involved in trigeminal neuralgia, controls most of the sensation and some of the movement of the face. Learn more about its function.