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[Changes in the blood vessels, spinal cord neurocytes, pia mater and spinal ganglia in chronic stimulation of the sympathetic trunks].

Taking into account the data concerning disturbances in blood supply of the spinal cord as a response to irritation of the sympathetic trunks, the experimental morphological investigation has been performed on rabbits. By means of the injection technique and staining of neurocytes, changes in the spinal cord, in the spinal nodes and in the pia mater have been studied at chronic irritation of the lumbar nodes of the sympathetic trunk. Certain degenerative changes have been revealed in nervous cells and also phenomena of the spinal cord ischemia, decreasing contacts between the nervous cells and the capillaries surrounding them. As the authors believe, these data can be used by clinicians for revealing pathological mechanisms of the spinal cord ischemia as a result of chronic irritation of the sympathetic trunk.