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Number of prokaryotes in human colon

Value	7e+13 cells/organ
Organism	prokaryote
Reference	William B. Whitman,*† David C. Coleman,‡ and William J. Wiebe. Prokaryotes: The unseen majority. Proc Natl Acad Sci U S A. 1998 June 9 95(12): 6578–6583. p.6580 table 1PubMed ID9618454
Primary Source	Van Houte J, Gibbons RJ. Studies of the cultivable flora of normal human feces. Antonie Van Leeuwenhoek. 1966 32(2):212-22. AND Cummings, J. H., Banwell, J. G., Segal, I., Coleman, N., Englyst, H. N. & Macfarlane, G. T. (1990) Gastroenterology 98, A408.PubMed ID5296851
Method	Value obtained by dividing the value in 1st row, 4th column, by 1st row 3rd column
Entered by	Mike Springer
ID	100555