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The Journal of Basic and Applied Zoology
Fig. 2 | The Journal of Basic and Applied Zoology

Fig. 2

From: Toxic effects of an organophosphate pesticide, envoy 50 SC on the histopathological, hematological, and brain acetylcholinesterase activities in stinging catfish (Heteropneustes fossilis)

Fig. 2

Photomicrographs of gills of Heteropneustes fossilis after 7-day exposure to 0.015 ppm Envoy 50 SC. a Control—normal epithelial cell and secondary lamellae were found; b blood congestion (a), hyperplasia (b), curling of secondary lamellae (c), and hemorrhage (d); c epithelial hyperplasia; and d clubbing (a) and necrosis (b) were observed

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