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Low dose scatter radiation exposure affects spine density. The density of dendritic spines (spines/10 μM) in medial prefrontal cortex (Cg3), orbital frontal cortex (AID), parietal cortex (Par1), and hippocampus (CA1) of male and female rats upon low dose irradiation. *Significantly different from the control unexposed animals; p < 0.05 or better.
