Abstract
IN the course of an investigation of blood-cell formation in teleost fishes, a peculiar formation has been seen in the intestinal mucosa and gill epithelium. Apparently the coarse granulocytes commonly found in these tissues migrate towards the surface and the granules elongate, appearing like long narrow clubs with pointed ends converging towards the epithelial surface. This regular characteristic pattern of arrangement was first noted by Duthie1 in the mesenteries of teleost fishes of the families Labridæ and Triglidæ. I have seen it in the intestinal mucosa and gill epithelium of Ctenolabrus rupestris (Labridæ) and Trigla cuculus (Triglidæ), and also in the same sites in trout and roach. In trout and roach I have observed similar formations in the walls of kidney tubules and in the peritoneal coat of many internal organs.
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Duthie, E. S., J. Anat., 73, 396 (1939).
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CATTON, W. Coarse Granulocytes in Epithelial Tissues of Teleost Fishes. Nature 162, 894 (1948). https://doi.org/10.1038/162894b0
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DOI: https://doi.org/10.1038/162894b0
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