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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2012 Oct 2;265(2):166–174. doi: 10.1016/j.taap.2012.09.023

Figure 2.

Figure 2

Representations of histological sections of 4-day-old zebrafish embryos exposed to the carrier (0.01 % DMSO; A–B), or to 2 nM PCB126 (C–G). Exposure conditions are described in “Histology” in Materials and methods. Slides A–D show sections of embryos with a normal swimbladder phenotype (A–B: controls; C–D: PCB126-exposed) and E–F show swimbladders of embryos that failed to inflate their swimbladders (PCB126-exposed). SB=swimbladder. In G an area with cell death in the swimbladder tissue is indicated (another section from the fish represented in E). The scale bar shown in A represents approximately 400 µm (A), 100 µm (B–F), and 40 µm (G).