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Photomicrographs of 5-bromo-2′-deoxyuridine (BrdU)-positive cells. (A) BrdU-positive cells in the subgranular zone of the hippocampal dentate gyrus (black arrows). (B) BrdU-positive cells in the granular cell layer of the hippocampal dentate gyrus (black arrows). The scale bar represents 25 μm. GCL, granular cell layer.
