Number of bacteria cells in human body

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Value 1e+14 unitless
Organism Human Homo sapiens
Reference Savage DC. Microbial ecology of the gastrointestinal tract. Annu Rev Microbiol. 1977 31:pp. 107PubMed ID334036
Comments The overwhelming majority in the gut. Taking weight of one bacterial cell as 10^-12 g, total bacterial weight in a human is on the order of 0.1-1 kg.
Entered by Uri M
ID 102392