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The chorion inner/outer membrane of SAS/LAS-treated zebrafish embryos. Zebrafish embryos were observed via SEM after exposure to (A) 10 µg/mL SAS and LAS at 48 hpf. The backscattered electrons of the (B) outer layer and (C) inner layer membrane. The white dots indicate the accumulation of LAS. (D) The diameter of the chorion inner membrane pores was approximately 0.77 μm for the control, 0.78 μm for SAS and 0.94 μm for LAS.
