Figure 7

H&E (hematoxylin and eosin) stained liver tissues from Zacco temminckii not exposed (a,b) and exposed (c,d) to nano-sized polystyrene (nPS). Normal nuclei (white arrow), damaged and aggregated nuclei (red arrow), and vacuole (blue arrows) in liver tissue. Scale bar = 50 (black) and 20 (white) μm.