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Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
Topic Index
- + ALA
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- ALA
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An essential fatty acid (not manufactured by the body) necessary to maintain health. Food sources include purslane and certain oils (e.g., flaxseed, canola, perilla, walnut).
More Information on ALA: Functional Foods
- + Alactasia
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- Alactasia
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A common, inherited deficiency or absence of lactase, the enzyme that breaks down the sugars in milk and other dairy products.
More Information on Alactasia: Digestive Health Basics
- + Alagille Syndrome
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- Alagille Syndrome
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An inherited disorder that usually becomes apparent in the first year of life. Among other things, this condition causes the narrowing or disappearing of bile ducts, resulting in a buildup of bile in the liver.
More Information on Alagille Syndrome: Pediatric Digestive
- + Alanine Aminopeptidase
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- Alanine Aminopeptidase
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Also Known As: "AAP"
An enzyme that, when measured in urine, may indicate kidney damage.
More Information on Alanine Aminopeptidase: Blood Tests
- + Alanine Aminotransferase
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- Alanine Aminotransferase
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Also Known As: "SGPT, ALT, Serum Glutamate Pyruvate Transaminase, Alanine Transferase"
An enzyme found mostly in the liver that is vital to energy production, formerly known as serum glutamate pyruvate transaminase (SGPT). Blood levels can be used to diagnose cancer, liver inflammation, heart failure, heart attack and other conditions.
More Information on Alanine Aminotransferase: Blood Tests
- + Alanine Transferase
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- Alanine Transferase
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Also Known As: "SGPT, Serum Glutamate Pyruvate Transaminase, ALT"
An enzyme found mostly in the liver that is vital to energy production, formerly known as serum glutamate pyruvate transaminase (SGPT). Blood levels can be used to diagnose cancer, liver inflammation, heart failure, heart attack and other conditions.
More Information on Alanine Transferase: Blood Tests
- + Alanosine
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- Alanosine
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"Alanosine" is more commonly referred to as "Decitabine" in the medical community.
Decitabine
A type of antimetabolite, medications that block the body's chemical process, such as those that create chemical, proteins and substances needed for cells to grow and multiply. They may be used to slow the growth of tumors.
More Information on Decitabine: Cancer Drug & Medication
- + Albinism
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- Albinism
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A rare inherited disorder in which people are born with insufficient amounts of the skin pigment melanin. The lack of melanin influences the color of the skin, hair and eyes in varying amounts according to the degree the person is affected.
More Information on Albinism: Skin Discoloration
- + Albumin
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- Albumin
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Also Known As: "Serum Albumin"
A key protein that is water soluble and found in various parts of the human body, including the clear fluid portion of blood (serum albumin). It is also found in many foods, such as egg whites, egg yolks (ovalbumin), milk and animal products.
More Information on Albumin: Nutrition Basics
- + Albumin Test
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- Albumin Test
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"Albumin Test" is more commonly referred to as "Total Serum Protein" in the medical community.
Total Serum Protein
Also Known As: "Protein Test, Serum Protein Electrophoresis, Globulin Test, Serum Protein, Serum Globulin, Total Protein Test"
A blood test that measures the levels of proteins in the blood, including albumin and globulin. Measuring these levels can give physicians valuable information about a patient's nutritional state, as well as the function of the kidney and liver.
More Information on Total Serum Protein: Blood Tests
- + Albumin Urine Test
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- Albumin Urine Test
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"Albumin Urine Test" is more commonly referred to as "Microalbuminuria Test" in the medical community.
Microalbuminuria Test
Also Known As: "Microalbumin Urine Test"
A urine test to detect small amounts of protein, which is not normally found in urine. Small amounts of protein in urine (microalbuminuria) is an early sign of kidney disease. High blood sugar can damage kidney blood vessels, causing protein to be lost in urine.
More Information on Microalbuminuria Test: Diabetes & Endocrine Tests
- + Albuminuria
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- Albuminuria
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"Albuminuria" is more commonly referred to as "Proteinuria" in the medical community.
Proteinuria
Abnormally high levels of protein in the urine, which may indicate a kidney disorder or cardiovascular disease. Proteinuria may predict progressive kidney failure in people with type 2 diabetes.
More Information on Proteinuria: Kidney (Renal)
- + ALCL
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- ALCL
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"ALCL" is more commonly referred to as "Anaplastic Large Cell Lymphoma" in the medical community.
Anaplastic Large Cell Lymphoma
An aggressive form of non Hodgkin's lymphoma that usually involves the T cells. It may appear in the lymph nodes, lungs, liver, skin, bones or soft tissue.
More Information on Anaplastic Large Cell Lymphoma: Lymphoma (Hodgkin's & Non)
- + Alcohol
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- Alcohol
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Also Known As: "Alcoholic Beverage"
A colorless liquid present in fermented or distilled liquors. It depresses the central nervous system. Moderate drinking may provide some health benefits, but excess alcohol consumption has numerous ill effects on health.
More Information on Alcohol: Alcohol & Substance Abuse
- + Alcohol & Cancer Risk
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- Alcohol & Cancer Risk
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Alcohol contains many by-products and some are recognized carcinogens. Risk increases with the amount of alcohol consumed. Alcohol use may contribute to the development of breast, colorectal, esophagus, liver and pancreas cancers.
More Information on Alcohol & Cancer Risk: Cancer Risk Factors
- + Alcohol & Children
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- Alcohol & Children
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Alcohol affects children in many ways. Infants of mothers who drink while pregnant may have birth defects. Children with an alcoholic parent have an increased risk of emotional problems. Drinking at an early age also poses risks.
- + Alcohol & Diabetes
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- Alcohol & Diabetes
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Alcohol is a central nervous system depressant. Moderate alcohol consumption may have some health benefits, but people with diabetes must be aware of how alcohol affects them and the increased risk of certain diabetic complications.
More Information on Alcohol & Diabetes: Diabetes Diet & Fitness
- + Alcohol & Diet
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- Alcohol & Diet
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Alcohol can have a significant impact on nutrition. It interferes with the absorption of essential nutrients and, in large amounts, can contribute to malnutrition.
More Information on Alcohol & Diet: Nutrition Basics
- + Alcohol & Headache
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- Alcohol & Headache
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Certain chemicals contained in alcohol can cause a headache to develop. The headache may occur immediately or be delayed.
More Information on Alcohol & Headache: Headache & Migraine
- + Alcohol & Heart Disease
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- Alcohol & Heart Disease
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Alcohol is often not thought of as a drug. But alcohol is a sedative, a hypnotic, a stimulant and a depressive. While moderate alcohol consumption can actually have heart-health benefits, excess alcohol, like cigarettes, makes the heart work harder.
More Information on Alcohol & Heart Disease: Heart Diet & Fitness
- + Alcohol & Pain
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- Alcohol & Pain
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Alcohol is an anxiolytic (relieves anxiety and tension) that may have pain relieving qualities. It was once administered for pain relief by physicians and some people still use alcohol for this purpose. Serious abuse problems may result.
More Information on Alcohol & Pain: Pain Basics
- + Alcohol & Pregnancy
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- Alcohol & Pregnancy
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Also Known As: "Pregnancy & Alcohol, Drinking & Pregnancy"
Alcohol is a teratogenic substance (capable of causing birth defects). The National Health and Medical Research Council recommends avoiding alcohol entirely during pregnancy.
More Information on Alcohol & Pregnancy: Pregnancy Management
- + Alcohol & Women
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- Alcohol & Women
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Alcohol has a greater effect on women than men. Women become intoxicated or "drunk" after drinking smaller amounts of alcohol than men. This is due to women's smaller size and body weight, as well as other factors.
- + Alcohol Ablation
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- Alcohol Ablation
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A relatively new and promising procedure for people with hypertrophic obstructive cardiomyopathy. It involves the destruction of certain heart cells with ethanol (alcohol) to shrink the heart muscle and increase the space for blood to flow.
More Information on Alcohol Ablation: Heart Failure
- + Alcohol Dehydrogenase
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- Alcohol Dehydrogenase
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Also Known As: "ADM"
An enzyme that initializes the breakdown of alcohol by the liver.
- + Alcohol Dependence Syndrome
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- Alcohol Dependence Syndrome
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Dependence upon the consumption of alcohol. Patients crave excesses of alcohol despite physical and social repercussions and experience tolerance to alcohol and withdrawal when they attempt to cut down on its consumption.
More Information on Alcohol Dependence Syndrome: Alcohol & Substance Abuse
- + Alcohol Poisoning
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- Alcohol Poisoning
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The ingestion of a toxic amount of alcohol in a brief time frame. Amount of toxicity is detected with an alcohol blood level test. Symptoms can be fatal and include confusion, failure to respond, unconsciousness and shallow breathing.
More Information on Alcohol Poisoning: Alcohol & Substance Abuse
- + Alcohol Related Birth Defects
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- Alcohol Related Birth Defects
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Also Known As: "ARBD"
Birth defects due to fetal alcohol exposure. Problems may include abnormalities of the heart, kidneys, bones, hearing loss and/or vision impairment.
More Information on Alcohol Related Birth Defects: Pediatric Brain & Nerve
- + Alcohol Related Neurodevelopmental Disorder
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- Alcohol Related Neurodevelopmental Disorder
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Also Known As: "ARND"
Central nervous system abnormalities that occur as a result of fetal alcohol exposure. Children affected commonly display cognitive and behavioral problems, but no growth deficiency or facial abnormalities.
More Information on Alcohol Related Neurodevelopmental Disorder: Pediatric Brain & Nerve
- + Alcoholic Beverage
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- Alcoholic Beverage
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A colorless liquid present in fermented or distilled liquors. It depresses the central nervous system. Moderate drinking may provide some health benefits, but excess alcohol consumption has numerous ill effects on health.
More Information on Alcoholic Beverage: Alcohol & Substance Abuse
- + Alcoholic Cardiomyopathy
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- Alcoholic Cardiomyopathy
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Also Known As: "Alcoholic Heart Disease"
A type of dilated cardiomyopathy can be caused by the overconsumption of alcohol. Dilated cardiomyopathy is a condition in which the heart's ability to pump is reduced because the left ventricle (one of the two lower chambers of the heart) is enlarged.
More Information on Alcoholic Cardiomyopathy: Heart Failure
- + Alcoholic Heart Disease
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- Alcoholic Heart Disease
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A type of dilated cardiomyopathy can be caused by the overconsumption of alcohol. Dilated cardiomyopathy is a condition in which the heart's ability to pump is reduced because the left ventricle (one of the two lower chambers of the heart) is enlarged.
More Information on Alcoholic Heart Disease: Heart Failure
- + Alcoholism
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- Alcoholism
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Also Known As: "Alcohol Dependence Syndrome"
Dependence upon the consumption of alcohol. Patients crave excesses of alcohol despite physical and social repercussions and experience tolerance to alcohol and withdrawal when they attempt to cut down on its consumption.
More Information on Alcoholism: Alcohol & Substance Abuse
- + Alcoholism & Children
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- Alcoholism & Children
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Children with an alcoholic parent have an increased risk of emotional problems. They may feel confused, depressed, angry or guilty and may have troubles forming close relationships.
More Information on Alcoholism & Children: Alcohol & Substance Abuse
- + ALD
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- ALD
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"ALD" is more commonly referred to as "Adrenoleukodystrophy" in the medical community.
Adrenoleukodystrophy
A genetic condition that results in damage to myelin (a substance that insulates nerves). It is more common in men and is usually diagnosed by age 10. It is often fatal, but treatment can extend life.
More Information on Adrenoleukodystrophy: Birth & Genetic Disorders
- + Aldactone
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- Aldactone
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A brand of diuretics, medications that cause the kidneys to flush water and other substances (e.g., sodium) from the body through urine.
More Information on Aldactone: Heart Drug & Medication
- + Aldehyde Dehydrogenase
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- Aldehyde Dehydrogenase
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Also Known As: "ALDH"
The enzyme that speeds up the reaction of the change from acetaldehyde to acetate, which produces acetyl CoA (a product necessary in the body to make energy).
- + Aldesleukin
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- Aldesleukin
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Also Known As: "Interleukin 2"
A laboratory-made factor that stimulates the production of blood cells, especially platelets, during chemotherapy.
More Information on Aldesleukin: Chemo & Radiation Therapy
- + ALDH
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- ALDH
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The enzyme that speeds up the reaction of the change from acetaldehyde to acetate, which produces acetyl CoA (a product necessary in the body to make energy).
- + Aldose Reductase
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- Aldose Reductase
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An enzyme that changes blood sugar (glucose) into sugar alcohol (sorbitol). Too much sorbitol is trapped in certain body cells lead to eye (retinopathy) or nerve problems (neuropathy). People with diabetes are at higher risk for these conditions.
More Information on Aldose Reductase: Diabetes & Endocrine Basics
- + Aldose Reductase Inhibitors
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- Aldose Reductase Inhibitors
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Also Known As: "ARIs"
Medications that slow or block the actions of the aldose reductase enzyme that changes blood sugar (glucose) into sugar alcohol (sorbitol). Sorbitol trapped in body cells can lead to eye (retinopathy) or nerve problems (neuropathy).
More Information on Aldose Reductase Inhibitors: Diabetes & Endocrine Drugs
- + Aldosterone
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- Aldosterone
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A hormone found in the adrenal glands that controls the equilibrium of salt and water. When salt levels decrease in the body, this hormone is released in response.
- + Alefacept
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- Alefacept
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"Alefacept" is more commonly referred to as "Cyclosporine" in the medical community.
Cyclosporine
Also Known As: "Tacrolimus, Efalizumab, Pimecrolimus, Antithymocyte Globulin, Anakinra"
Any one of a type of immunosuppressant, medications that suppress the immune system. They may be used to treat conditions such as rheumatoid arthritis as well as to prevent rejection following organ transplants.
More Information on Cyclosporine: Arthritis
- + Alemtuzumab
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- Alemtuzumab
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"Alemtuzumab" is more commonly referred to as "Monoclonal Antibodies" in the medical community.
Monoclonal Antibodies
Also Known As: "Cetuximab, Apolizumab, Dacliximab, Trastuzumab, Bevacizumab, Rituximab"
Any of a type of antibody made in the laboratory and designed to target specific substances called antigens. They are used to treat several conditions, including some types of cancer.
More Information on Monoclonal Antibodies: Cancer Drug & Medication
- + Alendronate
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- Alendronate
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Also Known As: "Alendronate Sodium"
A type of bisphosphonates, medications that prevent osteoporosis (porous bone disease). People with certain cancers are at higher risk of bone problems.
More Information on Alendronate: Bone Health
- + Alendronate Sodium
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- Alendronate Sodium
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A type of bisphosphonates, medications that prevent osteoporosis (porous bone disease). People with certain cancers are at higher risk of bone problems.
More Information on Alendronate Sodium: Bone Health
- + Alexander Disease
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- Alexander Disease
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A rare type of leukodystrophy, a genetic condition that results in damage to the myelin sheath that insulates nerves. It is not inherited, but can occur in families and predominantly affects males. There is no known treatment.
More Information on Alexander Disease: Pediatric Brain & Nerve
- + Alexia
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- Alexia
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Also Known As: "Motor Alexia, Musical Alexia, Optic Alexia"
A loss (or lessening) of the ability to comprehend written language or to read aloud. It is caused by a lesion in the central nervous system (brain and spinal cord). Types include motor, musical and optic.
More Information on Alexia: Neuro Signs & Symptoms
- + Algin
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- Algin
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A thickening agent in the form of gum (similar to gelatin) which is derived from a particular form of brown algae. It is widely used by industrial, food and pharmaceutical companies to stabilize or soften products or as a suspending agent.
More Information on Algin: Carbs & Sugars
- + Algiomotor
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- Algiomotor
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Also Known As: "Algiomuscular"
Producing painful muscle spasms, movements or contractions. It is usually associated with peristalsis, an involuntary, wave-like motion in hollow canals of the body that forces contents through the canal.
- + Algiomuscular
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- Algiomuscular
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Producing painful muscle spasms, movements or contractions. It is usually associated with peristalsis, an involuntary, wave-like motion in hollow canals of the body that forces contents through the canal.
- + Algodystrophy
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- Algodystrophy
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A local disturbance of growth, particularly in bone and cartilage, that causes pain.
- + Alimentary Canal
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- Alimentary Canal
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Also Known As: "GI Tract, Lower GI Tract, Digestive Tract, Alimentary Tract, Gastrointestinal Tract, Upper GI Tract"
The passage through which food moves for digestion, including the upper gastrointestinal (GI) tract (e.g., mouth, esophagus, stomach) and the lower GI tract (e.g., small and large intestines, including the colon and rectum).
More Information on Alimentary Canal: Digestive Health Basics
- + Alimentary Tract
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- Alimentary Tract
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Also Known As: "GI Tract, Lower GI Tract, Digestive Tract, Gastrointestinal Tract, Upper GI Tract"
The passage through which food moves for digestion, including the upper gastrointestinal (GI) tract (e.g., mouth, esophagus, stomach) and the lower GI tract (e.g., small and large intestines, including the colon and rectum).
More Information on Alimentary Tract: Digestive Health Basics
- + Alitame
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- Alitame
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A type of artificial sweetener that is 2000 times sweeter than sugar. It is not yet approved by the Food and Drug Administration for use in the United States.
More Information on Alitame: Carbs & Sugars
- + Alkaline Phosphatase
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- Alkaline Phosphatase
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An enzyme found mostly in the liver, bones, kidneys and intestinal lining that influences bone growth and the transport of body fats called lipids. Blood levels are used to diagnose liver, skeletal muscle or blood disorders and other conditions.
- + Alkalosis
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- Alkalosis
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An extremely low level of acidity in the blood causing a high pH level. Potential causes include high altitudes, hyperventilation and excessive vomiting. This is the opposite of acidosis.
- + Alkanized Water
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- Alkanized Water
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"Alkanized Water" is more commonly referred to as "Structured Water" in the medical community.
Structured Water
Also Known As: "Clustered Water, Oxygenated Water, Activated Water, Hexagonal Water, Pentagonal Water, Hydrogenated Water, Super Ionized Water"
Waters which supposedly have nutritional or spiritual value based on the physical structure of the water's atoms. These claims are widely rejected by the scientific community.
More Information on Structured Water: Water & Hydration
- + Alkaptonuria
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- Alkaptonuria
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A rare inherited metabolic disorder characterized by urine that turns black when exposed to air. Patients also frequently develop arthritis in adulthood, most often in the spine.
- + Alkylating Agents
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- Alkylating Agents
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A family of anticancer drugs that combines with a cancer cell's DNA to interferes with cell division.
More Information on Alkylating Agents: Cancer Drug & Medication
- + ALL
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- ALL
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"ALL" is more commonly referred to as "Acute Lymphocytic Leukemia" in the medical community.
Acute Lymphocytic Leukemia
Also Known As: "ALL Leukemia, Acute Lymphoblastic Leukemia"
A form of acute leukemia that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. While more common in children, it also affects adults and remission is less likely in adults.
More Information on Acute Lymphocytic Leukemia: Leukemia & Bone Cancer
- + ALL in Children
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- ALL in Children
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"ALL in Children" is more commonly referred to as "Acute Lymphocytic Leukemia in Children" in the medical community.
Acute Lymphocytic Leukemia in Children
Also Known As: "Acute Lymphoblastic Leukemia in Children, Pediatric Acute Lymphocytic Leukemia, Juvenile Acute Lymphocytic Leukemia, Pediatric ALL, ALL Leukemia in Children, Juvenile ALL"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy.
More Information on Acute Lymphocytic Leukemia in Children: Pediatric Cancer
- + ALL Leukemia
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- ALL Leukemia
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"ALL Leukemia" is more commonly referred to as "Acute Lymphocytic Leukemia" in the medical community.
Acute Lymphocytic Leukemia
Also Known As: "Acute Lymphoblastic Leukemia, ALL"
A form of acute leukemia that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. While more common in children, it also affects adults and remission is less likely in adults.
More Information on Acute Lymphocytic Leukemia: Leukemia & Bone Cancer
- + ALL Leukemia in Children
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- ALL Leukemia in Children
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"ALL Leukemia in Children" is more commonly referred to as "Acute Lymphocytic Leukemia in Children" in the medical community.
Acute Lymphocytic Leukemia in Children
Also Known As: "Acute Lymphoblastic Leukemia in Children, Pediatric Acute Lymphocytic Leukemia, Juvenile Acute Lymphocytic Leukemia, Pediatric ALL, Juvenile ALL, ALL in Children"
A form of acute leukemia more commonly diagnosed in children that involves immature lymphoid cells multiplying in the bone marrow, blood and body tissues. It is highly curable in children with treatments involving chemotherapy.
More Information on Acute Lymphocytic Leukemia in Children: Pediatric Cancer
- + All Trans Retinoic Acid
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- All Trans Retinoic Acid
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Also Known As: "ATRA, Tretinoin"
A form of vitamin A most commonly used for the treatment acne or the prevention of aging. It may also be used in combination with chemotherapy to treat acute promyelocytic leukemia and is being tested for use in the treatment of other cancers.
More Information on All Trans Retinoic Acid: Cancer Drug & Medication
- + Allele
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- Allele
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One version of a particular gene. Each human cell has two copies of each gene and each copy is an allele.
- + Allen-Brown Cannula
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- Allen-Brown Cannula
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"Allen-Brown Cannula" is more commonly referred to as "Cannula" in the medical community.
Cannula
Also Known As: "Arterial Cannula"
Tubes used for the blood flow through both arteries and veins during certain cardiac surgical procedures.
- + Allergen Free
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- Allergen Free
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"Allergen Free" is more commonly referred to as "Hypoallergenic" in the medical community.
Hypoallergenic
Also Known As: "Allergy Free"
A product that is not likely to provoke an allergic reaction. Manufacturers are not required to prove this claim, and there is no guarantee that a product will never cause a reaction.
More Information on Hypoallergenic: Cosmetic, Chemical & Metal
- + Allergen-Specific IgE Antibody Test
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- Allergen-Specific IgE Antibody Test
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"Allergen-Specific IgE Antibody Test" is more commonly referred to as "RAST Test" in the medical community.
RAST Test
Also Known As: "Radioallergosorbent Test, Allergy Screen"
A blood test to determine the source or 'trigger' of an allergic reaction. It measures levels of IgE, a chemical that increases in response to a specific allergen. There is a different IgE for each different trigger (e.g., dust, pollen, dander).
More Information on RAST Test: Allergy & Asthma Tests
- + Allergens
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- Allergens
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A substance the body perceives as a threat, triggering an exaggerated reaction by the immune system.
More Information on Allergens: Allergy Basics
- + Allergens & Allergy Basics
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- Allergens & Allergy Basics
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A substance your body perceives as a threat, triggering an exaggerated reaction by the immune system.
More Information on Allergens & Allergy Basics: Allergy Basics
- + Allergic Asthma
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- Allergic Asthma
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Also Known As: "Bronchial Asthma, Allergic Rhinobronchitis, Allergic Bronchitis, Combined Allergic Rhinitis & Asthma Syndrome"
Inflammation of the lung's airways (bronchial tubes) that is caused by an allergic reaction. This leads to a persistent cough that produces large amounts of phlegm.
More Information on Allergic Asthma: Asthma Basics
- + Allergic Bronchitis
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- Allergic Bronchitis
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Also Known As: "Bronchial Asthma, Combined Allergic Rhinitis & Asthma Syndrome, Allergic Rhinobronchitis"
Inflammation of the lung's airways (bronchial tubes) that is caused by an allergic reaction. This leads to a persistent cough that produces large amounts of phlegm.
More Information on Allergic Bronchitis: Asthma Basics
- + Allergic Cascade
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- Allergic Cascade
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The chain of chemical reactions that occur in response to an allergen, eventually resulting in the release of histamines and other symptom-causing chemicals from mast cells.
More Information on Allergic Cascade: Allergy Basics
- + Allergic Conjunctivitis
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- Allergic Conjunctivitis
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Also Known As: "Seasonal Allergic Conjunctivitis, Allergic Rhinoconjunctivitis, Hay Fever Conjunctivitis, Eye Allergy, Perennial Allergic Conjunctivitis"
Inflammation of the conjunctiva, the tissue lining the inside of the eyelid, caused by an allergic reaction. Can be seasonal (occurring at certain times of the year) or perennial (year-round).
More Information on Allergic Conjunctivitis: Eye Conditions
- + Allergic Contact Dermatitis
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- Allergic Contact Dermatitis
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Allergic reaction to a substance the immune system recognizes as dangerous (allergen) that contacts the skin. Patients do not react upon first contact with the substance, but may develop a rash upon subsequent exposures.
More Information on Allergic Contact Dermatitis: Dermatitis, Eczema & Hives
- + Allergic Pneumonia
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- Allergic Pneumonia
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"Allergic Pneumonia" is more commonly referred to as "Pneumonia" in the medical community.
Pneumonia
Also Known As: "Irritant Pneumonia, Fungal Pneumonia, Bacterial Pneumonia, Parasitic Pneumonia, Chemical Pneumonia, Viral Pneumonia"
Inflammation of the lungs with congestion that may be caused by infection (e.g., bacteria, virus, fungi, parasites) or irritants (e.g., allergens, pollutants, chemicals). Common symptoms include fever, chills, coughing and/or difficulty breathing.
More Information on Pneumonia: Pneumonia & Lung Infection
- + Allergic Reaction
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- Allergic Reaction
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An exaggerated or inappropriate reaction of the immune system to any substance that, in most people, causes no symptoms.
More Information on Allergic Reaction: Allergy Basics
- + Allergic Rhinitis
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- Allergic Rhinitis
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Also Known As: "Hay Fever, Seasonal Allergic Rhinitis, Sporadic Allergic Rhinitis, Perennial Allergic Rhinitis"
Inflammation of the mucous membrane that lines the nose due to an allergic reaction to pollen, dust or other airborne substances. Seasonal rhinitis (also called hay fever) is more common, but allergic rhinitis can also be perennial (year round).
More Information on Allergic Rhinitis: Nose & Throat
- + Allergic Rhinitis & Children
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- Allergic Rhinitis & Children
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Also Known As: "Hay Fever & Children"
Young children are less likely to experience this inflammation of the nasal passages caused by allergies. As children grow, they are likely to be exposed to dust, pollens and other allergens that may eventually trigger allergic rhinitis.
More Information on Allergic Rhinitis & Children: Pediatric Allergy & Asthma
- + Allergic Rhinobronchitis
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- Allergic Rhinobronchitis
-
Also Known As: "Bronchial Asthma, Allergic Bronchitis, Combined Allergic Rhinitis & Asthma Syndrome"
Inflammation of the lung's airways (bronchial tubes) that is caused by an allergic reaction. This leads to a persistent cough that produces large amounts of phlegm.
More Information on Allergic Rhinobronchitis: Asthma Basics
- + Allergic Rhinoconjunctivitis
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- Allergic Rhinoconjunctivitis
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Also Known As: "Seasonal Allergic Conjunctivitis, Hay Fever Conjunctivitis, Eye Allergy, Perennial Allergic Conjunctivitis"
Inflammation of the conjunctiva, the tissue lining the inside of the eyelid, caused by an allergic reaction. Can be seasonal (occurring at certain times of the year) or perennial (year-round).
More Information on Allergic Rhinoconjunctivitis: Eye Conditions
- + Allergic Rhinosinusitis
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- Allergic Rhinosinusitis
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"Allergic Rhinosinusitis" is more commonly referred to as "Rhinosinusitis" in the medical community.
Rhinosinusitis
Also Known As: "Subacute Rhinosinusitis, Noninfectious Rhinosinusitis, Acute Rhinosinusitis, Chronic Rhinosinusitis, Recurrent Acute Rhinosinusitis"
Inflammation of the paranasal sinuses that occurs with rhinitis. It often occurs in patients with non-seasonal allergies and in those with moderate to severe asthma, and may persist for a few weeks (acute) or much longer (chronic).
More Information on Rhinosinusitis: Nose & Throat
- + Allergic Rhinosinusitis
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- Allergic Rhinosinusitis
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"Allergic Rhinosinusitis" is more commonly referred to as "Sinusitis" in the medical community.
Sinusitis
Also Known As: "Irritant Sinusitis, Infectious Sinusitis, Acute Sinusitis, Sinus Infection, Chronic Sinusitis, Acute Rhinosinusitis, Rhinosinusitis, Recurrent Acute Rhinosinusitis, Subacute Rhinosinusitis, Chronic Rhinosinusitis, Noninfectious Rhinosinusitis"
Inflammation of the lining of the sinus cavities in the face. It can be caused by infection, irritants or allergies, and may be acute or chronic. Symptoms may include runny nose, headache, teeth sensitivity, nasal congestion and facial swelling.
More Information on Sinusitis: Nose & Throat
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