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    Distribution pattern of eosinophilic granular cells in the intestine of the convict cichlid Amatitlania nigrofasciata (Gunther, 1867) (2015)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Hopperdietzel, Carsten (WE 1)
    Hirschberg, Ruth
    Hünigen, Hana (WE 1)
    Wolter, Jan
    Plendl, Johanna (WE 1)
    Quelle
    Bulletin of the European Association of Fish Pathologists; 35(4) — S. 123–130
    ISSN: 0108-0288
    Sprache
    Englisch
    Kontakt
    Institut für Veterinär-Anatomie

    Koserstr. 20
    14195 Berlin
    Tel.+49 30 838 53555 Fax.+49 30 838-53480
    email:anatomie@vetmed.fu-berlin.de

    Abstract / Zusammenfassung

    The distribution of eosinophilic granule cells (EGCs) in the intestine of the convict cichlid Amatitlania nigrofasciata was evaluated morphometrically to examine the effect of body mass and diet on their incidence. Therefore, two groups of adult fish were monitored over a time period of three weeks and fed according to two different regimes. The intestine of A. nigrofasciata displayed consistent uniform histological structure. Mean EGC frequency per mm(2) intestinal area differed between the intestinal segments (IS). EGCs were found primarily in the propria-submucosa, less frequently in the lamina epithelialis and tunica muscularis. In individual fish, the mucosal basement membrane (MBM) of the propria-submucosa was irregular and thickened. Different feeding regimes employed in the present study did not stimulate a difference in the intestinal EGC distribution in A. nigrofasciata.