Dynamo
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
This excerpt from a 1930s Soviet medical encyclopedia discusses the transmission of nervous excitation to peripheral organs, inhibitory nerve influences, and autonomous excitation mechanisms.
Encyclopedia entry (1928–1936)
DYNAMO is transmitted to the corresponding peripheral organs, increasing their functional activity. The reverse phenomenon must also be noted: certain nerves do not increase, but rather decrease or completely cease the work of an organ (such as, for example, the influence of the vagus nerve on the heart, the splanchnic nerves on the intestine, etc.). Aside from the nervous system, excitation in organs can also arise autonomously under the influence of mechanical, physical, and chemical stimuli (see Autonomic nervous system).
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“Dynamo.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/dynamo/