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sphincter

1 ENTRIES FOUND:
sphincter /ˈsfɪŋktɚ/ noun
plural sphincters
sphincter
/ˈsfɪŋktɚ/
noun
plural sphincters
Learner's definition of SPHINCTER
[count] medical
: a ring-shaped muscle that surrounds a body opening and that can tighten to close the opening括约肌

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