Research Article
Antagonistic Effects of Sublethal Concentrations of Certain Mixtures of Metal Oxide Nanoparticles and the Bulk (Al2O3, CuO, and SiO2) on Gill Histology in Clarias gariepinus
Figure 7
(a) Histological section of gill exposed to nano-SiO/Al2O3 (2 : 1) showing secondary gill lamella (SGL), blood vessel, and epithelial hyperplasia (HPS) (H&E stains, ×400). (b) Histological section of gill exposed to bulk SiO/Al2O3 (2 : 1) showing primary gill lamella, shortened secondary gill lamella (SSGL), and blood vessel (BV) (H&E stains, ×400).
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