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Sections of the stomach (digestive tract) stained with hematoxylin-eosin. (A) Control periwinkle; (B) Periwinkle of the CdH group after 21 days of exposure. Note the loss of integrity in the stomach epithelium (arrows) and the increase of mucocytes as a result of Cd-exposure. Scale bars: 200 µm; Abbreviations: DE: Digestive epithelia, BL: Basal lamina, MU: Mucocytes.
