Research Article

Bioaccumulation of Heavy Metals in Water, Sediments, and Tissues and Their Histopathological Effects on Anodonta cygnea (Linea, 1876) in Kabul River, Khyber Pakhtunkhwa, Pakistan

Figure 5

Section of gills showing (a) fusion of gills lamellae (×400), (b) hemocytic infiltration (×400), (c) gills swelling (×400), and (d) degenerated frontal gills (×400).
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