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  • Title: Vitamin A and ciliated cells. I. Respiratory epithelia.
    Author: Biesalski HK, Stofft E, Wellner U, Niederauer U, Bässler KH.
    Journal: Z Ernahrungswiss; 1986 Jun; 25(2):114-22. PubMed ID: 3751157.
    Abstract:
    To estimate the role of vitamin A on ciliated cells we investigated whether ciliated cells undergo any alteration during vitamin A deficiency. The epithelia examined include the ciliated cells of the respiratory tract and the ciliated sensory cells of the inner ear, the tongue, and the olfactory cells. This part of the paper will describe the ciliated epithelium of the tracheobronchial tract and its relation to vitamin A status. During vitamin A deficiency a partial loss of ciliae can be observed before any squamous metaplasia (which usually occurs during longer lasting vitamin A deficiency) develops. The scanning electron microscopic data illustrate the altered surface of the epithelium during vitamin A deficiency better than transmission electron microscopy.
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