Concentration of microorganisms in contents of stomach and upper two thirds of small intestine

Range 1000-10000 bacteria/ml
Organism Human Homo sapiens
Reference Berg RD. The indigenous gastrointestinal microflora. Trends Microbiol. 1996 Nov4(11):430-5. p.431 right column bottom paragraphPubMed ID8950812
Primary Source Tannock. G.W. (1995) Normal Microflora, Chapman & Hall
Comments Microbial numbers are restricted in these areas because of the low pH of stomach contents and the relatively swift flow (peristalsis) through the stomach and the small bowel. See BNID 102535, 105711
Entered by Uri M
ID 105710