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Fig. 6 | BMC Veterinary Research

Fig. 6

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

Fig. 6

Light photomicrograph of head kidney of control and exposed Nile tilapia sectioned with H&E stain: Control head kidney showing normal renal parenchyma with intact tubules (arrow) and hematopoietic tissues (star) (a). The head kidney of PS-NPs exposed group showing extensive thickening and congestion of the blood vessels (star), besides marked lymphocytes infiltration (arrow) (b). The head kidney of EO exposed group showing distinct congested blood vessels (arrow) and necrosis with disappearance of the nephritic tubules (star) (c). Head kidney of PS-NPs + EO exposed group showing hemorrhagic inflammation of hematopoietic tissues characterized by mixed infiltration with lymphocytes and erythrocytes (arrow) (d)

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BMC Veterinary Research

ISSN: 1746-6148

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