Morphometric Evaluation of Interrenal Gland and Kidney Macrophages Aggregates in Normal Healthy Rainbow Trout (Oncorhynchus mykiss) and after Bacterial Challenge with Yersinia ruckeri
Figure 2
Rainbow trout (Oncorhynchus mykiss). Anterior (a) and posterior (b) kidney section, showing an extensive accumulation of macrophage aggregates (MA) in a normal trout from Ctrl group. Anterior (c) and posterior (d) kidney section, showing very few macrophages aggregates in a diseased trout from group C (H&E, scale bar = 200 μm).