sphincter中文什么意思

n.
【解剖学】括约肌。 sphincter ani 肛门括约肌。adj.
-teral

• anal sphincter:    肛管括约肌; 肛门括约肌
• ani sphincter:    肛门括约肌
• anterior sphincter:    前括约肌

例句与用法

更多例句：  下一页

1. They pass through a sphincter at the lower end of the stomach and into the small intestine .
   它们通过胃下端的括约肌进入小肠。
2. The parasympathetic nerves enhance both tone and motility, and relax sphincters .
   副交感神经既增加张力，也加强运动，并松弛括约肌。
3. That ' s because they can ' t control sphincter muscles
   那是因为他们不能控制括约肌
4. Kaylee , what in the sphincter of hell are you playing at
   凯莉你到底在玩什么呢？
5. I passed through a time sphincter to get here
   我穿过一个时间隧道才到这里. .

英文释义

名词

1. a ring of muscle that contracts to close an opening
   同义词：anatomical sphincter, sphincter muscle

百科释义

A sphincter is an beetah anatomical structure, a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals; there are over 50 types in the human body, some microscopically small, in particular the millions of precapillary sphincters.