sphincters

This colon hath many windings, that the excrements pass not away too fast: the right gut is straight, and conveys the excrements to the fundament, whose lower part is bound up with certain muscles called sphincters, that the excrements may be the better contained, until such time as a man be willing to go to the stool.

Anatomy of Melancholy

The duodenum is separated from the stomach by a ring-like muscular valve, the pylorus; this valve belongs to the class of muscles called sphincters, which, under ordinary circumstances, are closed, but which relax to open the circular central aperture.

Text Book of Biology, Part 1: Vertebrata

The “tight lips and tight sphincters,” as Lowe described it, were a symptom of uncertainty.

O: A Presidential Novel

It just your opinion, and just like sphincters, everyone has one, and yours stinks.

White House says speech to students not altered

The “tight lips and tight sphincters,” as Lowe described it, were a symptom of uncertainty.

O: A Presidential Novel

The “tight lips and tight sphincters,” as Lowe described it, were a symptom of uncertainty.

O: A Presidential Novel

The “tight lips and tight sphincters,” as Lowe described it, were a symptom of uncertainty.

O: A Presidential Novel

On a priority scale when danger is imminent, certain body sphincters rank surprisingly low.

Moving Day at CrossFit Regina

So many sphincters tightening or going loose, but maybe that's a little too close to hard core Republicans like Craig and Vitter.

AMY FREDERICK DROPS OUT OF DELEGATE RACE

The “tight lips and tight sphincters,” as Lowe described it, were a symptom of uncertainty.

O: A Presidential Novel