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Trigeminal neuralgia (TN or TGN), also called Fothergill disease, tic douloureux, trifacial neuralgia, or suicide disease, is a long-term pain disorder that affects the trigeminal nerve, [7] [1] the nerve responsible for sensation in the face and motor functions such as biting and chewing.
Because the vestibulocochlear nerve is in proximity to the geniculate ganglion, it may also be affected and patients may also experience: [citation needed] tinnitus; hearing loss; hyperacusis; vertigo; The swallow reflex might also be affected. Involvement of the trigeminal nerve can cause numbness of the face. [citation needed]
Although it does not carry taste sensation (the chorda tympani is responsible for taste), one of its branches—the lingual nerve—carries sensation from the tongue. The peripheral processes of mesencephalic nucleus of V neurons run in the motor root of the trigeminal nerve and terminate in the muscle spindles in the muscles of mastication.
The trigeminal nerve goes from the brain to the face and branches out into three locations (hence the tri in the name). One branch runs along the scalp, providing sensation there. The second ...
The trigeminal nerve.. ATN is usually attributed to inflammation or demyelination, with increased sensitivity of the trigeminal nerve.These effects are believed to be caused by infection, demyelinating diseases, or compression of the trigeminal nerve (by an impinging vein or artery, a tumor, dental trauma, accidents, or arteriovenous malformation) and are often confused with dental problems.
Of note, the tensor tympani muscle is innervated by the trigeminal nerve. The model also explains how whiplash injuries, temporomandibular joint dysfunction , and other conditions affecting the head and neck regions may influence the function of the tensor tympani muscle and contribute to ear symptoms such as pain hyperacusis.
Trigeminal neuralgia: attacks of shooting pain down the face that may be triggered by touching the face or temperature changes [29] Dental pain from cavities or an abscess; Oral cavity carcinoma; Conditions causing irritation of the facial nerve (cranial nerve VII) or glossopharyngeal nerve (cranial nerve IX): [3]
For instance, when a migraine attack affects the hypothalamus of the brain, you may develop increased urination and concentration difficulties, she says. Another group of brain areas, the limbic ...