| NOUN | body | sphincter ani, anal sphincter, musculus sphincter ani | the sphincter muscle of the anus |
|---|
| Meaning | The sphincter muscle of the anus. | |
|---|---|---|
| Synonyms | anal sphincter, musculus sphincter ani | |
| Part of | anus | The excretory opening at the end of the alimentary canal |
| Parts | musculus sphincter ani externus | An external ring of striated muscle surrounding the anus |
| musculus sphincter ani internus | An internal ring of smooth muscle formed by circular fibers of the rectum | |
| Broader | sphincter, anatomical sphincter, sphincter muscle | A ring of muscle that contracts to close an opening |
| Spanish | esfinter anal, esfínter anal, esfínter del ano | |
| Catalan | esfínter anal, esfínter de l'anus | |
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