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  • Title: [Morphologic and cytophotometric indices of the state of the neurons of the spinal cord and spinal cord ganglia following exposure to gravitational stress].
    Author: Dyskin EA, Kozlovskiĭ AP, Maslovskaia IV, Tikhonova LP.
    Journal: Arkh Anat Gistol Embriol; 1975 Jun; 69(7):19-23. PubMed ID: 1227448.
    Abstract:
    The work presents data on the state of the neurons of the spinal ganglia and the spinal cord of the lumbosacral part in 96 cats subjected to single stresses (10g) and repeated ones (6g). The material was stained with thionin after Nissl. RNA was detected after Einarson. Photometry of the sections was made in MUP.5. Morphological changes were shown to be more pronounced in sensory cells. The method of cytophotometry established the increase by 25% amount of RNA in their cytoplasm after single stresses. Repeated stresses resulted in depletion of RNA. The amount of RNA returned to the initial level within 2 days after single stresses and within 3 days after repeated rotations. The shifts were much less pronounced in motoneurons.
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