Soviet Medical Encyclopedia

Leptothrix Buccalis

Microbiology, Dentistry

Also known as: Leptothrichia buccalis

Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.

Summary

This article from the 1928-1936 Soviet Medical Encyclopedia describes Leptothrix buccalis, a filamentous microorganism of the family Actinomycetaceae found commonly as a saprophyte in the oral cavity. It details the morphological characteristics of the microbe, including its staining properties and tendency to break down into short rods.

Encyclopedia entry (1928–1936)

LEPTOTHRIX BUCCALIS [Leptothrichia buccalis Trevisan (1879)], microbes of the genus Leptothrichia Trevisan (1879), family Actinomycetaceae Buchanan (1918). The cells of the microbe are filamentous, straight, long, and thick, often forming spherical swellings at one of the ends. In young cultures, they stain Gram-positive. During division, the filaments break down into short, thick rods. It grows best with restricted access to O2. A common saprophyte of the oral cavity.

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Cite this page

“Leptothrix Buccalis.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/leptothrix-buccalis/