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[Postnatal changes of morphology of nerve and glial cells in neocortex of mice developing on the background of serotonin deficit].

It has been shown that deficit of serotonin during embryogenesis in rodents is accompanied by changes of morphological characteristics of neurons and glial cells at the period of postnatal development. A characteristic peculiarity of these changes is cell vacuolization that is of different expression in various cortical layers. In the experimental animals as compared with control ones, neurons of all neocortex layers have changed nuclei and a reduced volume of the cytoplasm. In neurons of upper layers, nuclei and cytoplasm contain occasional small vacuoles. In deep layers, vacuolization both of nuclei and of the cytoplasm is expressed to the much greater degree and vacuoles of large size are predominant. Results of immunocytochemical study have shown that in animals developing on the background of serotonin deficit there takes place a delay of the rates of formation and differentiation of astrocytic glia.