musculus sphincter ani internus definitionApril 22, 2018 AZ DictionaryLink to this pagenoun:an internal ring of smooth muscle tissue formed by circular materials of this anusRelated SourcesDefinition for "musculus sphincter ani internus"an internal ring of smooth muscle tissue formed…View MoreHypernym for "musculus sphincter ani internus"smooth muscleView MoreHow would you define musculus sphincter ani internus?All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own! Your Full NameYour definitionPost Definition
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