Biology:Anal sampling mechanism
From HandWiki
The anal sampling mechanism (also known as the anal sampling reflex, anorectal sampling reflex, or recto-anal inhibitory reflex (RAIR)) is a reflex which detects the contents of the rectal vault and prevents the unexpected voiding of feces.[1] The reflex helps prevent fecal incontinence, and allows for voluntary flatulation to occur without also eliminating solid waste, irrespective of the presence of fecal material in the rectal canal.[2]
The physiological basis for the mechanism is poorly understood.[3]
See also
- Fecal incontinence
References
- ↑ Deen, KI; Premaratna, R; Fonseka, MM; De Silva, HJ (November 1998). "The recto-anal inhibitory reflex: abnormal response in diabetics suggests an intrinsic neuroenteropathy". Journal of Gastroenterology and Hepatology 13 (11): 1107–10. PMID 9870796.
- ↑ Kim Barrett, Gastrointestinal Physiology 2/E (2013), p. 180.
- ↑ Rao, Satish (December 2003). "Pathophysiology of adult fecal incontinence". Gastroenterology 126 (1): S14–22. doi:10.1053/j.gastro.2003.10.013. PMID 14978634.
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