s/n5571713

Information
has gloss	(noun) the sphincter muscle of the anus anal sphincter, sphincter ani, musculus sphincter ani
lexicalization	eng: anal sphincter
lexicalization	eng: musculus sphincter ani
lexicalization	eng: sphincter ani
subclass of	(noun) a ring of muscle that contracts to close an opening sphincter muscle, sphincter, anatomical sphincter

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has part	(noun) an external ring of striated muscle surrounding the anus musculus sphincter ani externus
has part	(noun) an internal ring of smooth muscle formed by circular fibers of the rectum musculus sphincter ani internus
part of	(noun) the excretory opening at the end of the alimentary canal anus