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Fig. 4 | BMC Veterinary Research

Fig. 4

From: Polystyrene nanoplastic and engine oil synergistically intensify toxicity in Nile tilapia, Oreochromis niloticus

Fig. 4

Light photomicrograph of liver of control and exposed Nile tilapia sectioned with H&E stain: Control showing normal histological structure of the hepatic parenchyma (arrow) (a). Liver of PS-NPs exposed group showing vacuolation of the hepatocytes (arrow), and blood vessels congestion (star), (b), and hepatic necrosis (arrow) with lymphocytes infiltration (star) (c). Liver of EO group showed clear vacuoles in hepatocytes (arrow), besides minimal interstitial leucocytes infiltration (star) (d). Liver of PS-NPs + EO exposed group showing noticeable degree of hepatic necrosis (arrow), besides focal accumulation of mononuclear cells (star) (e), thickening and congestion of blood vessels (arrow) and lymphocyte infiltration (star) (f)

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BMC Veterinary Research

ISSN: 1746-6148

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