Periodic Limb Movement Disorder Glossary of Terms

The following are health and medical definitions of terms that appear in the Periodic Limb Movement Disorder article.

Aging: The process of becoming older, a process that is genetically determined and environ...

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Amitriptyline: An antidepressant medication. In some patients with depression, abnormal l...

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Anemia: The condition of having a lower-than-normal number of red blood cells or quantity ...

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Ankle: The ankle joint is complex. It is made up of two joints: the true ankle joint and ...

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Anticonvulsant: A medication used to control (prevent) seizures (convulsions) or stop an o...

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Antidepressants: Anything, and especially a drug, used to prevent or treat depression.

Apnea: The absence of breathing (respiration).

Arms: An appendage in anatomy and in clinical trials. See: Arm.

Benzodiazepines: A class of drugs that act as tranquilizers and are commonly used in the t...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Breathing: The process of respiration, during which air is inhaled into the lungs through ...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Contraction: The tightening and shortening of a muscle.

Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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Diabetes: Usually refers to diabetes mellitus or, less often, to diabetes insipidus. Diabe...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Dopamine: An important neurotransmitter (messenger) in the brain.

Elavil: See: Amitriptyline.

Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. He...

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Hormone: A chemical substance produced in the body that controls and regulates the activit...

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Injure: To harm, hurt, or wound. The word injure may be in physical or emotional sense. Fr...

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Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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Iron: An essential mineral. Iron is necessary for the transport of oxygen (via hemoglobin ...

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Kidney: One of a pair of organs located in the right and left side of the abdomen. The kid...

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Knee: The knee is a joint which has three parts. The thigh bone (the femur) meets the lar...

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Lab test: A test that is done in the laboratory where the appropriate equipment, supplies,...

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Leg: In popular usage, the part of the body from the top of the thigh down to the foot, an...

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Limb: An arm or a leg.

Metabolic: Relating to metabolism, the whole range of biochemical processes that occur wit...

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Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

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Myoclonus: A condition of abnormal contraction of muscles or portions of muscles.

Narcolepsy: A neurological disorder that is marked by the recurrent, sudden, uncontrollabl...

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Neurological: Having to do with the nerves or the nervous system as, for example, a neurol...

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Neurologist: A physician who specializes in the diagnosis and treatment of disorders of th...

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Neurotransmitter: A chemical that is released from a nerve cell which thereby transmits an...

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Organ: A relatively independent part of the body that carries out one or more special func...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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Polysomnography: Continuous recording of specific physiologic variables during sleep. Poly...

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Remission: Disappearance of the signs and symptoms of cancer or other disease. A remission...

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Restless legs: See: Restless leg syndrome.

Rule out: Term used in medicine, meaning to eliminate or exclude something from considera...

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Sedative: A drug that calms a patient, easing agitation and permitting sleep. Sedatives ge...

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Sleep: The body's rest cycle.

Sleep apnea: The temporary stoppage of breathing during sleep, often resulting in daytime ...

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Sleep disorders: Any disorder that affects, disrupts, or involves sleep. The most common...

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Spinal cord: The major column of nerve tissue that is connected to the brain and lies with...

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Spinal cord injury: Trauma or damage to the spinal cord, the major column of nerve tissue ...

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Substance: 1. Material with particular features.
2. The material that...

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Syndrome: A combination of symptoms and signs that together represent a disease process.

Therapy: The treatment of disease. Therapy is synonymous with treatment.

Thyroid: 1. The thyroid gland. Also, pertaining to the thyroid gland. 2. A p...

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Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be ...

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Uremia: The presence of excessive amounts of urea¬ in the blood, which may be a sign of ki...

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Urine: Liquid waste produced by the kidneys. Urine is a clear, transparent fluid that norm...

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