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Oral administration of glycine induces c-Fos expression in the hypothalamic nuclei. (a) Typical images of c-Fos immunoreactive cells in each hypothalamic area. (b) The density of c-Fos immunoreactive cells in the SCN. (c) The density of c-Fos immunoreactive cells in Pe/Pa and mPO. The asterisks indicate a significant difference between the vehicle-treated group and the glycine-treated group (*p<0.05).
