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pellagra    音标拼音: [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]
  • 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: Definition, symptoms, pictures, and more - Medical News Today
    Pellagra is a condition that occurs due to a lack of vitamin B3, otherwise known as niacin Pellagra can cause symptoms such as diarrhea, dermatitis, and dementia
  • Pellagra (vitamin B3 or niacin deficiency) - DermNet
    A form of pellagra is seen in Hartnup disease (MIM 234500), an autosomal recessive inherited disorder of the SLC6A19 gene resulting in impaired absorption of tryptophan from the bowel and excessive excretion by the kidneys What causes pellagra? Pellagra is the result of niacin deficiency
  • The 3 Signs of Pellagra and How to Treat Them - Verywell Health
    Pellagra shows up a collection of symptoms, commonly referred to as "the three D's": dementia, diarrhea, and dermatitis While the condition can be cured if diagnosed, pellagra can be fatal if left untreated
  • Pellagra - American Osteopathic College of Dermatology (AOCD)
    Pellagra is a systemic disease that results from severe vitamin B3 (Niacin) deficiency Mild deficiency may go unnoticed, but a diet chronically low or without Niacin may result in the 4 D’s: diarrhea, dermatitis, dementia, and possibly even death
  • Pellagra: MedlinePlus Medical Encyclopedia
    Pellagra is caused by having too little niacin or tryptophan in the diet It can also occur if the body fails to absorb these nutrients Pellagra may also develop due to: Gastrointestinal diseases; Weight loss (bariatric) surgery; Anorexia; Excessive alcohol use
  • Pellagra: Causes, Symptoms and Treatments - rupahealth. com
    Pellagra, though rare in developed nations, remains a global health concern, particularly in regions affected by poverty and food insecurity A balanced diet that includes niacin and tryptophan-rich foods is essential to preventing niacin deficiency and the clinical symptoms of pellagra
  • Pellagra: Causes, Risk Factors, Symptoms, Treatment - Continental Hospitals
    Pellagra is a niacin (vitamin B3) deficiency disorder, resulting in skin lesions, digestive issues, and neurological symptoms Adequate intake of niacin-rich foods or supplements is crucial for prevention and treatment
  • Pellagra: Pictures, Symptoms, Causes, and Treatment - Healthline
    Pellagra is a serious condition that’s caused by low levels of niacin, due to either malnutrition or an absorption problem If left untreated, it can cause death





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