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International Journal of Morphology

On-line version ISSN 0717-9502


PITOL, Dimitrius Leonardo; ISSA, Joáo Paulo Mardegan; CAETANO, Flávio Henrique  and  LUNARDI, Laurelúcia Orive. Characterization of Blood Mononuclear Phagocytes in Phrynops hilarii (Chelonia Chelidae). Int. J. Morphol. [online]. 2007, vol.25, n.2, pp.363-366. ISSN 0717-9502.

The localization of peroxidase activity in different cell regions is used as a criterion for the classification of the stage of maturation of mammalian mononuclear phagocytes with a positive peroxidase reaction indicating the presence of monoblasts, promonocytes, monocytes and macrophages. In this study it was evaluated the peroxidase activity of blood mononuclear phagocytes of this turtle detected at different stages of differentiation. The present observations suggest that, in turtles, the differentiation of mononuclear phagocytes occur in the blood circulation, in contrast to animals, where only are monocytes in circulating blood and macrophage differentiation occurs in other body compartments

Keywords : Mononuclear phagocytes; Blood; Turtle.

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