causes of deficiency

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• Deficiency, niacin — Deficiency of niacin, one of the B complex vitamins, causes pellagra. Pellagra was known as the disease of the four D s dermatitis, diarrhea, dementia and death. The disease is specifically characterized by: Dermatitis: A rash on areas of the… …   Medical dictionary

• Deficiency, selenium — Deficiency of the essential mineral selenium causes Keshan disease, a fatal form of cardiomyopathy (disease of the heart muscle) first observed in Keshan province in China and since found elsewhere. According to the National Academy of Sciences,… …   Medical dictionary

• Deficiency, glucocerebrosidase — Causes type 1 Gaucher disease, a progressive genetic disease due to an enzyme defect. The enzyme, glucocerebrosidase, is needed to break down the chemical glucocerebroside. The enzyme defect leads to the progressive accumulation of… …   Medical dictionary

• Deficiency, iron — The most common known form of nutritional disorder in the world, iron deficiency results in anemia because iron is necessary to make hemoglobin, key molecule in red blood cells responsible for the transport of oxygen. In iron deficiency anemia,… …   Medical dictionary

• Deficiency, calcium — A low level of calcium in the blood (hypocalcemia) makes the nervous system highly irritable and causes tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, overly active reflexes, etc.). Chronic calcium deficiency contributes… …   Medical dictionary

• Deficiency (medicine) — In medicine, a deficiency is a lack or shortage of a functional entity, by less than normal or necessary supply or function.[1] Nutrients Main article: Malnutrition Malnutrition can cause various effects by deficiency of one or more nutrients.… …   Wikipedia

• Causes of autism — Autism and autism spectrum disorders are complex neurodevelopmental disorders. Many causes of autism have been proposed, but its theory of causation is still incomplete. Heritability contributes about 90% of the risk of a child developing autism …   Wikipedia

• Deficiency, GALT — Lack of the enzyme called GALT (galactose 1 phosphate uridyl transferase) which causes the genetic metabolic disease galactosemia, one of the diseases in many newborn screening panels. The disease can be fatal, if undetected. If detected, it can… …   Medical dictionary

• Causes of schizophrenia — Schizophrenia is a psychiatric diagnosis that describes a mental disorder characterized by impairments in the perception or expression of reality and by significant social or occupational dysfunction. A person experiencing schizophrenia is… …   Wikipedia

• Deficiency, ankyrin — Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing) and splenomegaly (enlargement of the spleen), due to deficiency of ankyrin, a protein… …   Medical dictionary

• Deficiency, LCHAD — Acute fatty liver of pregnancy (AFLP) has been found to be associated in some cases with an abnormality of fatty acid metabolism. This abnormality is a deficiency of the enzyme long chain 3 hydroxyacyl CoA dehydrogenease (LCHAD). The mother (and… …   Medical dictionary