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anal sphincter |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.03 sec. |
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anal sphincter [′ān·əl ′sfiŋk·tər] (anatomy) Either of two muscles, one voluntary and the other involuntary, controlling closing of the anus in vertebrates. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Another category includes defecatory disorders which are often the
result of pelvic-floor or anal sphincter dysfunction. A flaccid anal sphincter may
indicate poor detrusor muscle function. In the absence of bowel disease, the most common cause of faecal
incontinence is damage to the anal sphincter. |
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