MONAD
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
The article describes Monas, a genus of flagellates established by Ehrenberg, consisting of small, colorless organisms with two flagella. It discusses how many species were later elevated to independent genera and mentions research on the parasitic potential of Monas vulgaris.
Encyclopedia entry (1928–1936)
MONAD (Monas), a genus of flagellates established by Ehrenberg; small, colorless flagellates equipped with two flagella. Subsequently, many species from this genus were isolated and elevated to the status of independent genera. Such is the soil form Oikomonas termo (formerly M. termo). Yakimov and Solovtsova (1921) attribute parasitic significance to one of the species of M., namely M. vulgaris, on the grounds that they succeeded in obtaining this species in agar cultures from human feces. Other authors believe that Yakimov was dealing with cysts of free-living M. that entered the stool from the outside after defecation.
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“MONAD.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/monad/