[The influence of rearing conditions on neuranal DNA synthesis in the cerebral cortex and hippocampal fascia dentata of rats during ontogenesis].
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Biomedical subjects
Publications and source records attributed to O A Krylov.
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The state of nuclear DNA, revealed by the microfluorometric method, changed unequally in conditions of dissimilar afferentation in different classes of the neurones in the neocortex and the hippocampal dentate fascia. It may be assumed that the examined classes of cells (large pyramids and stellate neurones of the sensorimotor zone of the cerebral cortex and the granular cells of the dentate fascia of the hippocampus) possess a different structural functional organization of genome. This probably accounts for the peculiarities of their functioning.
In rabbit experiments after cross-cutting the sciatic nerve with its subsequent perineural suture, the authors studied whether the structure of injured nerve fibers could be recovered on exposure to an impulse magnetic field (IMF) of high intensity (1.2 T). On exposure to IMF, the processes of nerve fiber myelinization were found to proceed much more rapidly in the rabbits operated on and the area of a connective tissue scar showed a more direct growth of nerve fibers of the center to the periphery. Light optic microscopy indicated that IMF of the intensity used produced no damaging effects on nerve tissue.