Gut flora

Gut flora consists of microorganisms that live in the digestive tracts of animals and is the largest reservoir of human flora. In this context, gut is synonymous with intestinal, and flora with microbiota and microflora.

The human body, consisting of about 100 trillion cells, carries about ten times as many microorganisms in the intestines. It is estimated that these gut flora have around 100 times as many genes in aggregate as there are in the human genome.

Bacteria make up most of the flora in the colon and up to 60% of the dry mass of feces. and 1000 different species live in the gut, However, it is probable that 99% of the bacteria come from about 30 or 40...
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