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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 25 (1986), S. 114-122 
    ISSN: 1436-6215
    Keywords: ciliated cells ; tracheobronchial tract ; scanning electron microscopy ; vitamin A deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Um zu prüfen, in welcher Weise Vitamin A zilientragende Epithelien beeinflußt, wurde untersucht, ob zilientragende Epithelien im Vitamin-A-Mangel besondere Veränderungen aufweisen. Die untersuchten Gewebe beinhalten das Respirationsepithel sowie die zilientragenden Sinnesepithelien des Innenohres, der Zunge und des Riechepithels. Dieser Teil beschreibt die Veränderungen des zilientragenden Epithels des Tracheobronchialtraktes in Relation zum Vitamin-A-Status. Mit rasterelektronenmikroskopischen Methoden konnte im Vitamin-A-Mangel ein fleckiger Verlust von Zilien des Respirationsepithels beobachtet werden, bevor es zu einer squamösen Metaplasie des Gewebes — wie sie im Vitamin-A-Mangel beschrieben ist — kam. Die rasterelektronenmikroskopischen Aufnahmen stellen die Veränderungen an den zilientragenden Zellen dieses Epithels anschaulicher dar, als dies mit transmissionselektronenmikroskopischen Verfahren möglich ist.
    Notes: Summary 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.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1986-06-01
    Print ISSN: 0044-264X
    Electronic ISSN: 1435-1293
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Published by Springer
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