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. 2018 Feb 1;49:11. doi: 10.1186/s13567-018-0507-0

Figure 2.

Figure 2

Histologic findings in white sturgeon fingerlings challenged by intramuscular injection with Veronaea botryosa at 13 °C. A Low magnification photomicrograph of an irregular area of granulomatous inflammation (arrows) radiating into skeletal muscle at the injection site. H&E stain, Bar = 500 μm. B Higher magnification image of muscle lesion. Inflammatory infiltrates were dominated by macrophages, with smaller numbers of multinucleated giant cells and lymphocytes. H&E stain, Bar = 100 μm. C Spleen, multinucleated giant cell containing pigmented hyphal fragments (arrow). H&E stain, Bar = 20 μm. D Kidney, giant cells with hyphal fragments (arrow) surrounded by hematopoietic tissue and renal sinusoids. H&E stain, Bar = 20 μm.