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Representative bitmap images illustrating distribution of Fos-like (Fos-LI) immunoreactivity in all treatment groups: (A) sham distended; (B) control colorectal distention (CRD); (C) CRD/alosetron, 30 µg/kg; (D) CRD/alosetron 100 µg/kg. Horizontal scale bar, 150 µm; arrows indicate examples of Fos-LI nuclei.
