Figure 4. A. Photograph of a hippocampal pyramidal cell impregnated with Golgi. Original magnification: 400x. B. A higher magnification (1 000x) of the dendrite illustrates the spines. C. Effects of exposure to an acute stressful event on density of dendritic spines in area CA1 of the hippocampus showing increased density in males, but a decreased density in females during proestrus.
