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. 2018 Apr 16;9:418. doi: 10.3389/fphys.2018.00418

Figure 2.

Figure 2

Histological staining observations on different parts of Limnoperna fortunei byssus. Light micrographs of byssal thread longitudinal section before (A) and after (B) nitroblue tetrazolium (NBT)/Glycinate staining. Light micrographs of adhesive plaque transverse section before (C) and after (D) NBT/Glycinate staining. The arrows indicate the distribution regions of Dopa-containing proteins stained by NBT/Glycinate. Bar scale is 20 μm in (A,B), and 10 μm in (C,D).