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. 2021 Apr 8;13(4):636. doi: 10.3390/v13040636

Figure 4.

Figure 4

Micrographs of H&E staining and ISH of the intestinal tissue of sea cucumber of negative control. (a) Micrographs of H&E staining of negative control intestinal tissue. (b) Magnified micrographs from the red-framed areas of (a). No obvious histopathological change was observed in the intestinal tissue. (c) Micrographs of ISH of negative control intestinal tissue. (d) Magnified micrographs from the red-framed areas of (c). No CMNV positive hybridization signal was detected in the intestinal tissue. Scale bars: (a,c) 200 µm, (b,d) 50 µm.