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Evaluation of the toxicity of fluorine in Antarctic krill on soft tissues of Wistar rats

3.3 Histological analysis 3.3.1 Liver The histological sections of liver from rats in the control group and two treatment groups are shown in Figure 2. The sections from rats in the control group appeared normal and healthy (Figure 2 A1, A2, A3). However, the liver sections from the Antarctic krill treatment group showed some vacuolization in the cytoplasm, hepatic sinus expansion, and loss of integrity of the epithelium lining the central veins (Figure 2 B1, B2, B3). The same abnormalitie