English > anatomical sphincter: 1 sense > noun 1, bodyMeaning | A ring of muscle that contracts to close an opening. |
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Synonyms | sphincter, sphincter muscle |
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Narrower | anal sphincter, sphincter ani, musculus sphincter ani | The sphincter muscle of the anus |
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bladder sphincter, musculus sphincter vesicae | The sphincter muscle of the urinary bladder |
musculus sphincter ductus choledochi | The smooth muscle sphincter of the common bile duct |
musculus sphincter ductus pancreatici | The smooth muscle sphincter of the main pancreatic duct |
physiological sphincter | A sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue |
pupillary sphincter, musculus sphincter pupillae | A ring of smooth muscle surrounding the iris |
pyloric sphincter, pyloric valve, musculus sphincter pylori | The sphincter muscle of the pylorus that separates the stomach from the duodenum |
urethral sphincter, musculus sphincter urethrae | A striated sphincter muscle that constricts the urethra |
Broader | muscle, musculus | One of the contractile organs of the body |
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Spanish | esfínter anatómico, esfinter, esfínter |
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Catalan | esfínter |
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