Figure 1From: Dietary supplementation of soy germ phytoestrogens or estradiol improves spatial memory performance and increases gene expression of BDNF, TrkB receptor and synaptic factors in ovariectomized ratsRepresentative photomicrographs of vaginal smears. The four groups of smears were performed in rats fed on the control diet (A), and on the diet supplemented with 0.4 g/kg phytoestrogens (B), 1.6 g/kg phytoestrogens (C) or 0.15 g/kg 17βestradiol (D). The length of the scale bar equals 250 um.Back to article page