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pellagra    音標拼音: [pəl'ægrə]
n. 玉蜀黍疹

玉蜀黍疹

pellagra
n 1: a disease caused by deficiency of niacin or tryptophan (or
by a defect in the metabolic conversion of tryptophan to
niacin); characterized by gastrointestinal disturbances and
erythema and nervous or mental disorders; may be caused by
malnutrition or alcoholism or other nutritional impairments
[synonym: {pellagra}, {Alpine scurvy}, {mal de la rosa}, {mal
rosso}, {maidism}, {mayidism}, {Saint Ignatius' itch}]

Pellagra \Pel"la*gra\ (p[e^]l"l[.a]*gr[.a]), n. [It. pelle skin
agro rough.] (Med.)
An affection of the skin, characterized by redness,
especially in exposed areas, scaling and shedding of the
skin, and accompanied with severe gastrointestinal
disturbance and nervous symptoms. It is due to a deficiency
of niacin (vitamin B3; nicotinic acid) and protein in the
diet, and may be caused by malnutrition, or, in some cases,
by a heavy dependence on maize for food. It was at one time
(ca. 1890) endemic in Northern Italy, and was called {Alpine
scurvy}. It may also be caused by alcoholism or diease
causing an impairment of nutrition. It is also called {St.
Ignatius's itch}, {maidism}, {mal de la rosa}, {mal rosso},
and {psychoneurosis maidica}. A variety of pellagra seen in
children is called {infantile pellagra} or {kwashiorkor}.
--[Stedman]
[1913 Webster PJC]

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  • Pellagra - Wikipedia
    Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3) [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth [1] Areas of the skin exposed to friction and radiation are typically affected first [1] Over time, affected skin may become darker, stiffen, peel, or bleed [1][3] The two main types of pellagra are primary and secondary [1] Primary
  • Pellagra: Definition, Symptoms Treatment - Cleveland Clinic
    Pellagra is systemic disease caused by a severe deficiency of niacin (vitamin B3) It’s usually caused by poor diet, but sometimes by a secondary condition
  • Pellagra (vitamin B3 or niacin deficiency) - DermNet
    Pellagra is a systemic disease caused by vitamin B3 (niacin) deficiency It is characterised by the 4 D’s — dermatitis, diarrhoea, dementia and, if untreated, death
  • Pellagra: Definition, symptoms, pictures, and more
    Pellagra is a condition that occurs due to a lack of vitamin B-3, otherwise known as niacin Learn about the symptoms, causes, and treatments here
  • Pellagra | Causes, Symptoms Treatment | Britannica
    Pellagra, nutritional disorder caused by a dietary deficiency of niacin (also called nicotinic acid) or a failure of the body to absorb this vitamin or the amino acid tryptophan, which is converted to niacin in the body Pellagra is characterized by skin lesions and by gastrointestinal and
  • Pellagra: Pictures, Symptoms, Causes, and Treatment - Healthline
    Pellagra is a condition that’s mostly found in developing countries Learn more about what causes it and whether it can be treated
  • Pellagra: MedlinePlus Medical Encyclopedia
    Pellagra is a disease that occurs when a person does not get enough niacin (one of the B complex vitamins) or tryptophan (an amino acid)
  • Pellagra: Symptoms, Causes Treatment - Tua Saúde
    Pellagra is a rare condition caused by vitamin B3 deficiency, leading to symptoms like dermatitis, diarrhea, and neurological changes It may result from poor diet or malabsorption and is treated with supplements and dietary adjustments
  • Pellagra | About the Disease | GARD - Genetic and Rare Diseases . . .
    Pellagra is a nutritional disorder caused by a deficiency in niacin (vitamin B3) or its precursor (tryptophan) that is mainly observed in Asia and Africa where it is generally due to poor nutrition It is characterized by dermatitis (symmetrical photodistributed erythema that may be accompanied by vesicles and bullae, and that develops into hyperkeratotic and hyperpigmented skin
  • Pellagra - Causes, Symptoms, Diagnosis, and Treatment
    Pellagra is a serious nutritional deficiency that can have significant health implications if left untreated Understanding its causes, symptoms, and treatment options is essential for prevention and management





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