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Fig. 1 Histopathological analysis of dissected kidney and pancreas tissue of adult zebrafish after chronic exposure to environmental factors. (A) The histopathological analysis of isolated adult zebrafish kidneys (mesonephros) indicated mesonephric nephrons with normal blood filter or glomerulus, proximal tubule, distal tubule, tubular lumen, and brush borders with scale bar 100 μm. The tubule damages with brush borders (*) in the HF and HFMM groups. G: glomerulus; N: neck; PT: proximal tubule: DT: distal tubule; B: brush borders; tubular lumen (+). (B) The histopathological analysis of pancreas tissues with the H&E stains for the female zebrafish in each group, and the damages with inflammatory cell infiltration (yellow arrow) in the exposure groups.