Bodily function of expelling intestinal gas from the anus
"Fart" redirects here. For usage of the term, see Fart (word). For other uses, see Fart (disambiguation).
Medical condition
Flatulence
Other names
Farting, breaking wind, passing gas, cutting the cheese, cutting one loose, ripping one, tooting
The sound of flatulence
Specialty
Gastroenterology
Flatulence is the expulsion of gas from the intestines via the anus, commonly referred to as farting. "Flatus" is the medical word for gas generated in the stomach or bowels.[1] A proportion of intestinal gas may be swallowed environmental air, and hence flatus is not entirely generated in the stomach or bowels. The scientific study of this area of medicine is termed flatology.[2]
Flatus is brought to the rectum and pressurized by muscles in the intestines. It is normal to pass flatus ("to fart"), though volume and frequency vary greatly among individuals. It is also normal for intestinal gas to have a feculent or unpleasant odor, which may be intense. The noise commonly associated with flatulence is produced by the anus and buttocks, which act together in a manner similar to that of an embouchure. Both the sound and odor are sources of embarrassment, annoyance or amusement (flatulence humor). In many societies, flatus is a taboo. Thus, many people either let their flatus out quietly or even hold it completely.[3][4] However, holding the gases inside is not healthy.[5][6]
There are several general symptoms related to intestinal gas: pain, bloating and abdominal distension, excessive flatus volume, excessive flatus odor, and gas incontinence. Furthermore, eructation (colloquially known as "burping") is sometimes included under the topic of flatulence.[7] When excessive or malodorous, flatus can be a sign of a health disorder, such as irritable bowel syndrome, celiac disease or lactose intolerance.[8]
^"Medical Dictionary: Flatus". Merriam-Webster. Retrieved August 24, 2015.
^Cite error: The named reference Tangerman 2009 was invoked but never defined (see the help page).
^wikihow.com, retrieved 19 February 2023.
^soranews.com, retrieved 19 February 2023.
^Wynne-Jones G (1975). "Flatus retention is the major factor in diverticular disease". Lancet. 2 (7927): 211–212. doi:10.1016/s0140-6736(75)90677-7. PMID 51965. S2CID 9443068.
^'Let your flatulence fly, scientists urge passengers', retrieved 7 March 2023, based upon Flatulence on airplanes: just let it go
^Parveen Kumar, Michael L. Clark, eds. (2005). Kumar & Clark Clinical Medicine (6th ed.). Edinburgh: Saunders. p. 266. ISBN 0702027634.
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