Definition of Flatus
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Flatus: Gas in the intestinal tract or passed through the anus. The intestinal gases are hydrogen, nitrogen, carbon dioxide, and methane, all of which are odorless. The unpleasant smell of flatus is the result of trace gases such as indole, skatole, and, most commonly, hydrogen sulfide.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=3476
Last Editorial Review: 3/26/1998 2:25:00 PM
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