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Effects of +Gz Loads on Structural Organization of Central Autonomic Nuclei

“…Previously we revealed the important role of sympathetic branch of the autonomic nervous system in the response to +G z loads [3,4]. However, we did not fi nd any reported data on a parallel activity of the parasympathetic system under similar loads except for a few papers examining the structure of central autonomic neurons subjected to gravitational loads [9,10]. Taking into consideration recent fi ndings on the regulation of carbohydrate homeostasis in major central autonomic nuclei (specifically, in vagal ones), such data seem to be important for elucidating the mechanisms of abnormalities in the carbohydrate metabolism in pilots subjected to regular +G z loads.…”