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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 406 (1985), S. 197-201 
    ISSN: 1432-2307
    Keywords: Mast cells ; Fibroblasts ; Phagocytosis ; Human gingiva
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Mast cell granules have been detected ultrastructurally within the cytoplasm of fibroblasts in fibrous hyperplastic lesion of the human gingiva. This finding is interpreted as phagocytosis of mast cell granules by fibroblasts. It is estimated that phagocytosis of mast cell granules occurred in four to six per cent of the fibroblasts. The result of present study suggests that mast cells play some role in fibroblast activity not only in animals as reported previously, but also in human connective tissue.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 423 (1993), S. 105-109 
    ISSN: 1432-2307
    Keywords: Oncocyte ; Hyperplasia ; Oncocytosis ; Aging ; Minor salivary glands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Oncocytic hyperplasia in the human labial salivary glands was sought in a series of 217 post-mortem subjects. Oncocytic change occured in 183 subjects and hyperplasia was found in 19 of those (the overall incidence being 8.8%), ranging in age from the third deacde to the ninth. The sex distribution showed a significantly greater rate in males (16 of 139 males, 11.5%; 3 of 78 females, 3.8%). Oncocytic hyperplasia occurred in the duct system, and not in the acinar regions; it was frequently seen in the interlobular and intralobular ducts. Oncocytic hyperplasia was classified into four types; focal hyperplasia of the duct wall resulting in partial thickening of the duct wall; marked hyperplasia resulting in thickening of the duct wall, extending over half of the circumference; marked hyperplasia extending to the whole duct wall and intralobular adeno-tubular hyperplasia with or without cystic dilatation. About half of the subjects with oncocytic hyperplasia showed a few hyperplastic foci in one gland. The changes increased in severity in older subjects.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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