Keratinizing metaplasia

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Keratinizing metaplasia is a condition affecting the epithelial surfaces of the body.{{cite book|author=Miller SJ|title=Nutritional deficiency and the skin|publisher=J Am Acad Dermatol |year=1989|pages=21:1–30}} It is caused by a dietary deficiency of vitamin A, a fat-soluble vitamin that is most often found in fats, milk, and some leafy vegetables.{{cite book |author=Rapini, Ronald P. |author2=Bolognia, Jean L. |author3=Jorizzo, Joseph L. |title=Dermatology: 2-Volume Set |publisher=Mosby |location=St. Louis |year=2007 |pages=664 |isbn=978-1-4160-2999-1 }}