Figure 6
Tissue sections stained with Calcofluor white showing numerous microsporidian spores inside affected cells within kidney, gills, skin and ovary tissues. (a) Heavily infected kidney showing numerous microsporidian spores distributed in the parenchyma. (b) Massive infection of microsporidian spores in the primary lamellae of the gills. (c) Microsporidian spores in the skin epidermis and the basal membrane. (d) Spores within the ovarian stroma. Scale bars = 20 μm.