Medications

Neuroendocrinology: Having to do with the interactions between the nervous system and the endocrine system. In the human body, two systems control all physiologic processes. One of these systems is neurologic while the other is endocrine. The nerv...

Neuroendocrine cancer of the skin - Medical

Neuroendocrine cancer of the skin: Also called Merkel cell carcinoma. An uncommon but highly malignant skin tumor that characteristically starts in a sun-exposed area in a lightskinned person over 60 as a firm painless shiny lump that can be red, pin...

Neuroendocrine - Medical

Neuroendocrine: Having to do with neuroendocrinology: the interactions between the nervous system and the endocrine system. Last Editorial Review: 6/20/2004 Neuroendocrinology: Having to do with the interactions between the nervous system a...

Neurodermatitis - Medical

Neurodermatitis: Scaly patches of skin on the head, lower legs, wrists, or forearms caused by a localized itch such as from an insect bite that becomes intensely irritated when scratched. Last Editorial Review: 4/27/2011 5:27:15 PM Med...

Neurodegeneration with brain iron accumulation - Medical

Neurodegeneration with brain iron accumulation: See: Hallervorden-Spatz disease. Last Editorial Review: 2/20/2004 Hallervorden-Spatz disease: A genetic disorder in which there is progressive neurologic degeneration with the accumulation of ...

Neurocysticercosis - Medical

Neurocysticercosis: Infection of the brain by the larval form of the pork tapeworm Taenia solium. Neurocysticercosis is a form of cysticercosis and is the most common worm infection of the central nervous system. The disease is most prevalent in deve...

Neuroblastoma - Medical

Neuroblastoma: A leading childhood form of cancer that arises in the adrenal gland or in tissue in the nervous system that is related to the adrenal gland. Neuroblastoma is the most common solid tumor outside the brain in infants and children. It ...

Neurobiological disorder - Medical

Neurobiological disorder: An illness of the nervous system caused by genetic, metabolic, or other biological factors. Many illnesses categorized as psychiatric disorders are neurobiological, including autism, bipolar disorders, obsessive-compulsive ...

Neuritis - Medical

Neuritis: Inflammation of nerves. Last Editorial Review: 4/27/2011 5:27:15 PM...

Neurinoma, acoustic - Medical

Neurinoma, acoustic: A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from an overproduction of Schwann cells -- small sheet-like cells that normally wrap around nerve fibers like onion skin and ...

Neurectomy - Medical

Neurectomy: The removal of part or all of a nerve.Last Editorial Review: 9/28/2003...

Neuraminidase inhibitor - Medical

Neuraminidase inhibitor: A drug that inhibits the enzyme called neuraminidase. For example, oseltamivir (Tamiflu), an antiinfluenza agent, acts by inhibiting the neuraminidase enzyme on the surface of the influenza virus. This prevents the virus fro...

Neuralgia, vidian - Medical

Neuralgia, vidian: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headach...

Neuralgia, sphenopalatine - Medical

Neuralgia, sphenopalatine: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster...

Neuralgia, postherpetic - Medical

Neuralgia, postherpetic: Localized pain in the area of involvement of shingles that persists beyond one month. The most common complication of shingles is postherpetic neuralgia. This occurs when the pain associated with shingles persists be...

Neuralgia, migrainous - Medical

Neuralgia, migrainous: A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster hea...

Neuralgia, facial - Medical

Neuralgia, facial: Severe pain, usually occurring in bursts, that emanates along the path of the trigeminal nerve. The trigeminal nerve is the chief sensory nerve of the face. Last Editorial Review: 4/27/2011 5:27:15 PM...

Neuralgia, ciliary - Medical

Neuralgia, ciliary: A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical patterns of cluster headache -- the episodic and the chronic: Episodic: This is the most common pattern of cluster headach...

Neuralgia - Medical

Neuralgia: Pain along the course of a nerve.Last Editorial Review: 4/27/2011 5:27:15 PM...

Neural foramen - Medical

Neural foramen: See: Intervertebral foramen.Last Editorial Review: 8/23/2003 Intervertebral foramen: An opening between vertebrae through which nerves leave the spine and extend to other parts of the body. Also called a neural foramen.Last Editorial...

Neural - Medical

Neural: Having to do with nerve cells. Last Editorial Review: 4/27/2011 5:27:15 PM...

Neti pot - Medical

Neti pot: A ceramic pot used for nasal saline irrigation of the nasal passages. Saline irrigation involves flushing the nasal passages with a salt and water solution to thin the mucus and facilitate drainage of the sinuses. A Neti pot resembles a sma...

Nervus ulnaris - Medical

Nervus ulnaris: See: Ulnar nerve.Last Editorial Review: 10/21/2004 Ulnar nerve: A major nerve in the upper extremity. The ulnar nerve begins in the lower cervical and upper thoracic portions of the spinal cord (from C7 to T1), travels via the brachi...

Nervous system, sympathetic - Medical

Nervous system, sympathetic: A part of the nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. The sympathetic nervous system together with the parasympathetic nervous system (that slows the heart r...

Nervous system, peripheral (PNS) - Medical

Nervous system, peripheral (PNS): That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system (PNS) is one of the two major divisions of the nervous system. The other is the central nervous system (CNS...

Nervous system, parasympathetic - Medical

Nervous system, parasympathetic: A part of the nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. The parasympathetic nervous system together with the sympathetic nervous system (that ...

Nervous system, human - Medical

Nervous system, human: The sum total of the tissues that record and distribute information within a person, and does so by electrical and chemical means. The nervous system has two distinct parts -- central and peripheral. The central part is made ...

Nervous system, central (CNS) - Medical

Nervous system, central (CNS): That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS) is one of the two major divisions of the nervous system. The other is the peripheral nervous system (PNS), ...

Nervous system, autonomic - Medical

Nervous system, autonomic: Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic nervous system regulates key functions of the body including the activity of the heart muscle (see below), th...

Nervous colon syndrome - Medical

Nervous colon syndrome: A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility) characterized by abdominal pain, bloating, mucous in stools, and irregular bowel habits with alternating diarrhea and const...