Websphincter [sfingk´ter] a circular muscle that constricts a passage or closes a natural orifice. When relaxed, a sphincter allows materials to pass through the opening. When … 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 …
Anatomy of the Urinary System Johns Hopkins Medicine
WebA sphincter is a structure, usually a circular muscle, that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological … Web11. nov 2024 · The key difference between valve and sphincter is that valve is a flap-like structure of a hollow organ that allows one-way fluid flow through it while sphincter is a ring-like muscle which is able to contract or … fis00071207
Sphincter of Oddi - Wikipedia
Web21. mar 2024 · Sphincters are circular muscles that use contraction and relaxation as valves to separate the inner content of organs in the digestive system. This function is … WebA sphincter is a muscle (usually round) that can open and close. When it's working properly, the sphincter of Oddi opens to allow bile and pancreatic juice to flow through, and then closes again. However, in a condition … Web4. okt 2024 · Artificial urinary sphincter (AUS) ... An AUS is a device that contains an inflatable cuff around the tube that leads from your bladder out of your body, called the … fir表示什么