Websphinc·ter ( sfingk'tĕr) [TA] A muscle that encircles a duct, tube, or orifice in such a way that its contraction constricts the lumen or orifice; it is the closing component of a pylorus (the … WebAug 1, 2024 · The anal sphincter is a group of muscles at the end of the rectum that surrounds the anus and controls the release of stool, thereby maintaining continence. …
Sphincter pupillae Definition & Meaning Merriam-Webster Medical
WebApr 10, 2024 · Sphincters are circular muscles that open and close passages in the body to regulate the flow of substances, such as bile, urine, and feces, through the body. 1 Although many are found in the gastrointestinal (GI) tract, there are also sphincters in the urinary tract and blood vessels. Websphincter noun [ C ] anatomy specialized uk / ˈsfɪŋk.tə r/ us / ˈsfɪŋk.tɚ / a muscle that surrounds an opening in the body and can tighten to close it: the anal sphincter a … nowhere man perth
Sphincteric Definition & Meaning Merriam-Webster Medical
Websphincter muscle, any of the ringlike muscles surrounding and able to contract or close a bodily passage or opening. One of the most important human sphincter muscles is the … WebAnswers are spelling and case sensitive. Askateboarder enters the ER after falling on their butt and possibly damaging several segmental spinal nerves. After extensive testing doctors determine that this Individual was lucky (sort of) and only damaged one nerve, however, they will no longer have function to their gastrocnemius muscle and ... WebApr 10, 2024 · Iris Sphincter. Sphincters are circular muscles that open and close passages in the body to regulate the flow of substances, such as bile, urine, and feces, through the … nowhere man opening hours