Definition of "intestinal flora" [intestinal flora]
Harmless microorganisms (as Escherichia coli) that inhabit the intestinal tract and are essential for its normal functioning(noun)
WordNet. Princeton University. 2010.
Use "intestinal flora" in a sentence
"But when the intestinal flora lacks sufficient good bacteria from a healthy whole-foods diet, or when we consume foods that can produce an allergic sensitivity in some people—as do many chemicals, artificial preservatives, and dyes—inflammation develops in the lining of the intestine."