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Brightfield photomicrographs highlighting the immunoreactivity patterns of calretinin (CR) in the amygdala of the wild-type (ERβ+/+, (A,B)) and ERβ knock-out (ERβ−/−, (A′,B′)) mice. (A,A′): The basolateral (BL) and central (CE) nuclei. (B,B′): The medial (ME), basolateral (BL) and basomedial (BM) nucleus. Note similar density of CR+ neurons in the wild-type (A,B) and ERβ knock-out (A′,B′) subjects. Scale bar = 200 µm.
