Normal Pressure Hydrocephalus Glossary of Terms

The following are health and medical definitions of terms that appear in the Normal Pressure Hydrocephalus article.

Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Absorption: Uptake. For example, intestinal absorption is the uptake of food (or other sub...

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

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Alzheimer disease: See: Alzheimer's disease.

Anxiety: A feeling of apprehension and fear, characterized by physical symptoms such as pa...

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Atrophy: A wasting away or diminution. Muscle atrophy is a decrease in muscle mass, often ...

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Belly: That part of the body that contains all of the structures between the chest and t...

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Bladder: A hollow organ in the lower abdomen that stores urine. The kidneys filter waste f...

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Blood clots: Blood that has been converted from a liquid to a solid state. Also called a t...

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Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is...

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

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Brain tumor: A benign or malignant growth in the brain. Primary brain tumors initially for...

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Catheter: A thin, flexible tube.

Cavities: Holes or structural damage in the two outer layers of a tooth called the enamel...

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Cerebral: Of or pertaining to the cerebrum or the brain.

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Cerebrospinal fluid: A watery fluid that is continuously produced and absorbed and that fl...

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Cognitive: Having to do with thought, judgment, or knowledge.

CT scan: Computerized tomography scan. Pictures of structures within the body created by a...

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

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Dementia: Significant loss of intellectual abilities, such as memory capacity, that is sev...

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Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mell...

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

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Dilatation: The process of enlargement or expansion. Also known as dilation.

Drain: A device for removing fluid from a cavity or wound. A drain is typically a tube or ...

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Endoscope: A lighted optical instrument that is used to get a deep look inside the body. A...

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Feces: The excrement discharged from the 'intestines.

Frontal: In anatomy, pertaining to the forehead. As, for example, the frontal bone, fronta...

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Gait: A manner of walking. Observation of gait can provide early diagnostic clues for a nu...

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Head injury: Damage to any of the structures of the head as a result of trauma. While the ...

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Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

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High blood pressure: A repeatedly elevated blood pressure exceeding 140 over 90 mmHg. Chro...

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Hydrocephalus: Hydrocephalus is an abnormal buildup of cerebrospinal fluid (CSF) in the v...

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Incontinence: The inability to control excretions, to hold urine in the bladder, or to kee...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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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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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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Lumbar: Referring to the five lumbar vertebrae, the disks below them, and the correspondin...

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Lumbar puncture: A procedure in which cerebrospinal fluid is removed from the spinal canal...

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Memory: 1. The ability to recover information about past events or knowledge. ...

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Meningitis: Inflammation of the meninges, the three membranes that envelop the brain and t...

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MRI: Magnetic resonance imaging.

Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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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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Neurology: The medical specialty concerned with the diagnosis and treatment of disorders o...

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Neurosurgeon: A physician who specializes in surgery on the brain and other parts of the n...

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NINDS: Stands for the National Institute of Neurological Disorders and Stroke, one of the ...

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Normal pressure hydrocephalus: A specific form of hydrocephalus in which the central cavi...

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NPH: Normal pressure hydrocephalus.

Operation: In medicine, a surgical procedure. Many operations are named after persons. The...

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Parkinson disease: A slowly progressive neurologic disease characterized by a fixed inexpr...

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Parkinson's disease: A slowly progressive neurologic disease that is characterized by a fi...

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Peritoneum: The membrane that lines the abdominal cavity and covers most of the abdominal ...

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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Progressive: Increasing in scope or severity, advancing, or going forward. For example, a ...

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Quality of life: The patient's ability to enjoy normal life activities. Quality of life is...

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

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Scan: As a noun, the data or image obtained from the examination of organs or regions of...

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Shunt: 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2...

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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 tap: Also known as a lumbar puncture or "LP", a spinal tap is a procedure whereby ...

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Stool: The solid matter that is discharged in a bowel movement.

Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood comin...

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

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Unsteadiness: Loss of one's equilibrium in regard to the environment, often with a feelin...

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Urinary: Having to do with the function or anatomy of the kidneys, ureters, bladder, or ur...

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Urinary incontinence: The unintentional loss of urine. Inability to hold urine in the blad...

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

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Ventricle: A chamber of an organ. For example, the four connected cavities in the central ...

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Ventricles: 1, The right ventricle and the left ventricle, the lower two chambers o...

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Ventricular: Pertaining to the ventricles, the lower chambers of the heart, as in ventricu...

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X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

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Medical Dictionary