TRIGEMINAL NERVES Meaning and
Definition
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Trigeminal nerves are a pair of large cranial nerves in humans and other vertebrates that are responsible for sensation in the face and motor functions such as chewing. The trigeminal nerves are the fifth pair of cranial nerves and are also known as the fifth cranial nerves or simply as CN V.
Each trigeminal nerve is composed of three main branches - the ophthalmic nerve (V1), the maxillary nerve (V2), and the mandibular nerve (V3). These branches originate from a nerve cell cluster called the trigeminal ganglion, located inside the skull near the base of the brain.
The ophthalmic nerve carries sensory information from the upper part of the face, including the forehead, scalp, and around the eyes. The maxillary nerve is responsible for sensation in the middle part of the face, including the cheeks, upper lip, and upper gums. The mandibular nerve carries sensory information from the lower part of the face, lower lip, and lower gums.
In addition to their sensory functions, the trigeminal nerves also play a role in motor functions. The mandibular branch controls the muscles involved in chewing and biting, allowing for the movement of the jaw.
Disorders or damage to the trigeminal nerves can result in various conditions, such as trigeminal neuralgia, a severe facial pain disorder, or sensory loss in the face. Surgical interventions or medication may be used to treat such conditions depending on their cause and severity.
Common Misspellings for TRIGEMINAL NERVES
- rrigeminal nerves
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- 5rigeminal nerves
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- tr9geminal nerves
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- trifeminal nerves
- triveminal nerves
Etymology of TRIGEMINAL NERVES
The word "trigeminal" is derived from the Latin word "trigeminus", which means "having three twin-born". It is a combination of "tri-" meaning "three" and "gemini" meaning "twins".
The term "trigeminal nerves" refers to a pair of cranial nerves in humans and many other vertebrates. These nerves are responsible for sensory information from the face, head, and mouth, as well as motor functions involved in biting and chewing. The name "trigeminal nerves" is used because each of these nerves has three main branches - the ophthalmic nerve (V1), the maxillary nerve (V2), and the mandibular nerve (V3).
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