Abstract
The frontoparietal and parietal lobes of neocortex and hippocamp were studied in one-month-old rats, which were daily given piracetam 1000 mg/kg i.p., starting from the 5th day of life. In piracetam-treated animals, an increase in the thickness of cortex in frontoparietal lobe and of the size of neuronal nuclei both in layer V of parietal and frontoparietal lobes of neocortex, and in zones CA1-CA5 in hippocamp were observed. RNA concentration increased in neuronal cytoplasm in layer V of neocortex and in hippocamp. The brain mass, the density of neurons in the neocortex (layers II and V), the cortical thickness of neocortex in the parietal lobe did not differ in the control and experimental groups.
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