Neurology
The medical specialty concerned with the diagnosis and treatment of disorders of the nervous system, which includes the brain, the spinal cord, and the nerves.
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- Neuroma
A benign tumor that arises from a nerve as, for example, an acoustic glioma or optic glioma.
- Neuroma, acoustic
A benign tumor of the hearing and balance nerves near the inner ear. Aside from hearing and balance, these tumors can impinge on the facial nerve, causing facial paralysis, and press on nearby brain structures and be life-threatening. Acoustic neuromas may be removed by surgery or shrunk by radiosurgery. Bilateral acoustic neuromas are associated with […]
- Neisseria
A group of bacteria that includes the bacterium that causes gonorrhea.
- NEI
Stands for National Eye Institute, one of the US National Institutes of Health. NEI’s mission is to “conduct and support research, training, health information dissemination, and other programs with respect to blinding eye diseases, visual disorders, mechanisms of visual function, preservation of sight, and the special health problems and requirements of the blind.” The National […]
- Neuron-specific enolase (NSE)
neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, pancreatic endocrine tumors, and melanoma. Studies of NSE as a tumor marker have concentrated primarily on patients with neuroblastoma and small cell lung cancer. Measurement of NSE levels in patients with these two diseases can provide information about the extent of the disease and the […]