sphincter

US [ˈsfɪŋktər]
UK [ˈsfɪŋktə(r)]
  • n.括约肌
  • Web肛门括约肌;括约筋;扩约肌
Plural Form:sphincters  
sphincter
n.
1.
括约肌a ring of muscle that surrounds an opening in the body and can contract to close it
the anal sphincter
肛门括约肌

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard