Ultra-structural observations on the lymphoid organs of the freshwater catfish, Clarias batrachus (Linnaeus).
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2003-07-21
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Abstract
Light microscopic and ultra-structural studies of the lymphoid tissues such as blood immunocytes, spleen and pronephros of the freshwater catfish, Clarias batrachus, were carried out. The peripheral blood showed nucleated erythrocytes, total leucocytic count (TLC) more than that observed in mammalian blood and leucocytes with morphological appearance similar to the mammalian white blood cells (WBCs). The spleen and pronephros showed presence of numerous lymphocytes, monocytes and nucleated red blood cells (RBCs) along with hemosiderin-containing macrophages. The morphology of lymphoid organs of the catfish has been discussed in light of the evolution of the immune system in this class of vertebrates.
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Dash K, Saha K, Pandey AK, Jain AK, Mukherjee A. Ultra-structural observations on the lymphoid organs of the freshwater catfish, Clarias batrachus (Linnaeus). Journal of Environmental Biology. 2003 Jul; 24(3): 265-9