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Immunohistochemical staining for c-Fos protein in the brain 0, 30 and 120 min after restraint stress (1 hr). Representative photomicrographs of c-Fos-immunoreactive (c-Fos-IR) cells in the paraventricular nucleus (PVN, A–C), supraoptic nucleus (SON, D–F), central amygdaloid nucleus (CeAD, G–I), medial amygdaloid nucleus (MeAD, J–L), ventromedial hypothalamic nucleus (VMH, M–O), arcuate nucleus (Arc, P–R), dentate gyrus (DG, S–U) and piriform cortex (Pir, V–X). Scale bars: 100 µm.
