sphincter是什么意思？

sphincter

英[ˈsfɪŋktə(r)] 美[ˈsfɪŋktɚ]

• n. 括约肌；

复数：sphincters;

例句

• ...the anal sphincter. 肛门括约肌
• Tongue Twister J _ K _ L Just think, that sphinx has a sphincter that stinks! 试想想, 那个狮身人面像的括约肌发臭了!
• A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point. 此处有一肌肉环即贲门括约肌围绕着食道.
• Luca's sphincter, no longer under control , opened , the waste of his body spilled out. 突然一下,地板上湿漉漉 、 滑溜溜的, 路加屎尿流出来了.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  括约肌
  A sphincter is a ring of muscle that surrounds an opening to the body and that can tighten to close this opening.
  例句
  ...the anal sphincter. 肛门括约肌

英英词典释义

• Noun
  1. a ring of muscle that contracts to close an opening

行业词典

• 医学： ［拉］括约肌：环状肌纤维带，其功能为压缩一通道或关闭一自然开口；
  解剖学： 括约肌；又称 :括约肌(Musculus sphincter（拉）)；