English > sphincter: 1 sense > noun 1, body| Meaning | A ring of muscle that contracts to close an opening. |
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| Synonyms | anatomical 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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