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vitamin A

vitamin A Vitamin A refers to retinol and related compounds that are necessary for normal retinal metabolism, epithelial tissue growth and differentiation, bone growth, reproduction, and immune function.

Vitamin A refers to retinol and related compounds that are necessary for normal retinal metabolism, epithelial tissue growth and differentiation, bone growth, reproduction, and immune function. In the diet it comes from plant carotenoids and is especially concentrated in liver, egg yolks, and the fat in dairy products.

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Vitamin A” (D014801).
public-domain-US-government · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: f4339837e5ce728d59229737271179cfc45f7c4c2318205c617937116f54440b

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “vitamin A.” Development preview.

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vitamin A

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Sources

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