sphincter

/sfingk-ter/US // ˈsfɪŋk tər //UK // (ˈsfɪŋktə) //

括约肌,括约肌腱,括弧,括约肌腱膜

Definitions

n.名词 noun

1
Anatomy.
- : a circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs.

As for the cable anchors, their faces are the upper body equivalent of a failed sphincter nerve.
Introduce the bulb of an ordinary clinical thermometer, well greased with vaseline, just within the sphincter ani.
This sphincter opens automatically only in connection with the act of swallowing.
Four or more sutures may be passed in this way, a final one bringing the cut ends of the sphincter ani together.
Cases in which the perineum is apparently intact, but in which the sphincter is not united (Figs. 35, 36).
If, however, the sphincter is intact and serviceable the fistula should be pared and the edges brought together by silk sutures.