maidism

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Definition

Noun: 1. A nutritional deficiency disease: A disease caused by a severe and prolonged deficiency of niacin (vitamin B3) or its precursor, the amino acid tryptophan. It is characterized by a classic combination of symptoms affecting the skin, digestive system, and nervous system.

Examples of Usage
  • Noun:
    • The doctor diagnosed the patient with chronic malnutrition, specifically maidism, due to a diet consisting almost entirely of corn.
    • Historical records show that outbreaks of maidism were common in populations where corn was the staple food without proper preparation.
    • The symptoms of maidism include dermatitis, diarrhea, and dementia.
Advanced Usage
  • Clinical/Scientific Context: The term maidism is largely historical and synonymous with the more modern clinical term . It is used in medical history, nutritional science, and discussions of diseases linked to socioeconomic conditions.
    • Early 20th-century research finally linked maidism to dietary deficiency rather than infection.
Variants and Related Words
  • Pellagra (n): The modern and more commonly used medical term for the disease caused by niacin deficiency. It is a direct synonym for maidism.
  • Niacin Deficiency (n): The specific nutritional condition that causes maidism/pellagra.
Synonyms
  • Pellagra
  • Vitamin B3 deficiency
  • Nicotinic acid deficiency
Notes on Meaning
  • Historical vs. Modern Terminology: Maidism is an older term derived from the Italian "" meaning "rough skin," which also gives us the word . While maidism and refer to the same disease, is the standard term in contemporary medicine and nutrition.
  • Cause and Effect: The definition emphasizes that maidism is not caused by a single factor like eating corn, but by a resultant deficiency in niacin. This can occur due to diets poor in tryptophan/niacin, metabolic defects, or conditions like alcoholism that impair nutrient absorption.
Noun
  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

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