Fecal Bacteria
by Meckes/ottawa
Title
Fecal Bacteria
Artist
Meckes/ottawa
Medium
Photograph - Photograph
Description
Color enhanced scanning electron micrograph (SEM) of different bacteria from a human fecal sample. The different type of bacteria are colored differently for better differentiation. The intestine of humans is a complex and dynamic bacterial ecosystem that establishes itself within the first years of life. The population density of the intestine is initially low and increases steadily with increasing age. In a healthy middle-aged adult the ecosystem is mainly anaerobic bacteria, with a total number of 10-100 trillion. The habitat of a human intestinal gut contains at least 500 to 1,000 different species. Approximately 1/3 of the solid matter in feces consists of dead bacteria. Scanning Electron Microscope, magnification 17,300x (at 10cm wide image size)
Uploaded
May 19th, 2021
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