Treponema bacteria in duodenum

Treponema bacteria in duodenum

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Credit: JACKIE LEWIN, EM UNIT, ROYAL FREE HOSPITAL/SCIENCE PHOTO LIBRARY

Caption: Treponema sp. Colour scanning electron micrograph of a colony of bacteria Treponema sp. (blue), attached to the epithelial surface of the human duodenum (pink). Epithelial cell surfaces appear noduled. These elongated spiral-shaped bacteria (spirochaetes) lack rigid cell walls. Pathogenic species of Treponema include T.pallidum which causes syphilis; T. carateum which causes the skin disease "pinta" in tropical America; T. pertenue which causes yaws in Africa. In syphilis, the bacteria may be found on the duodenum, as seen here, as well as in most other parts of the body. Magnification: x7,600 at 6x7cm size. 24,000 at 10x8"

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Keywords: bacteria, bacterial, bacteriology, bacterium, duodenum, epithelium, gut, intestinal, micro-organisms, microbe, microbes, microbiology, pinta bacterium, scanning electron micrograph, sem, spirochaete, syphilis bacterium, treponema, treponema bacteria, treponema sp., type, yaws bacterium

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