sphincter

美 [ˈsfɪŋktər]英 [ˈsfɪŋktə(r)]
  • n.括约肌
  • 网络肛门括约肌;括约筋;扩约肌

复数:sphincters

sphinctersphincter

sphincter

n.

1.括约肌a ring of muscle that surrounds an opening in the body and can contract to close it

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