mal rosso
Học thuậtThân thiện
Definition
Noun: - A nutritional deficiency disease caused by insufficient niacin (vitamin B3) or tryptophan, or by a defect in the body's metabolic conversion of tryptophan to niacin. It is characterized by a combination of gastrointestinal issues, skin inflammation (erythema), and neurological or mental disorders. The condition is often associated with severe malnutrition, chronic alcoholism, or other impairments that affect nutrient absorption.
Usage Examples
- Noun:
- The doctor diagnosed the patient with mal rosso after observing the classic triad of symptoms.
- Historically, outbreaks of mal rosso were common in populations whose diet relied heavily on corn.
- Treatment for mal rosso involves niacin supplementation and addressing the underlying nutritional cause.
Advanced Usage
- The term "mal rosso" is an older, chiefly Italian-derived name for the disease more commonly known in modern English medical terminology as pellagra. It translates literally to "red sickness" or "red illness," referring to the characteristic skin rash.
- In historical medical texts from Southern Europe, the condition is frequently referred to as mal rosso.
Variants and Related Words
- Pellagra (n): The standard modern English term for the disease described by .
- Pellagra was once a major public health problem in the southern United States.
- Niacin deficiency (n): A direct description of the primary cause of the condition.
Synonyms
- Pellagra: The direct synonym and more common term in contemporary English.
- Vitamin B3 deficiency disease: A descriptive synonym focusing on the deficient nutrient.
Notes on Meaning
- Mal rosso specifically denotes the full clinical syndrome resulting from the deficiency. It is not used to describe a simple, minor lack of niacin without symptoms. The term is strongly associated with the severe, classic presentation involving the "three Ds": dermatitis, diarrhea, and dementia.
Noun
- 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