"Vitamin A Deficiency" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
A nutritional condition produced by a deficiency of VITAMIN A in the diet, characterized by NIGHT BLINDNESS and other ocular manifestations such as dryness of the conjunctiva and later of the cornea (XEROPHTHALMIA). Vitamin A deficiency is a very common problem worldwide, particularly in developing countries as a consequence of famine or shortages of vitamin A-rich foods. In the United States it is found among the urban poor, the elderly, alcoholics, and patients with malabsorption. (From Cecil Textbook of Medicine, 19th ed, p1179)
|Vitamin A Deficiency
- Vitamin A Deficiency
- Deficiency, Vitamin A
- Deficiencies, Vitamin A
- Vitamin A Deficiencies
Below are MeSH descriptors whose meaning is more general than "Vitamin A Deficiency".
Below are MeSH descriptors whose meaning is more specific than "Vitamin A Deficiency".
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