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Crossword clues for sphincter

Longman Dictionary of Contemporary English
▪ the anal sphincter
▪ The sphincters become leaky, and the urine overflows.
▪ Thus it should not be assumed that older patients with ulcerative colitis have weaker sphincters than younger patients.
The Collaborative International Dictionary

Sphincter \Sphinc"ter\, n. [NL., fr. ??? to bind tight.] (Anat.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.


Sphincter \Sphinc"ter\, a. (Anat.) Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.

Douglas Harper's Etymology Dictionary

1570s, from Middle French sphincter, from Late Latin sphincter "contractile muscle," from Greek sphinkter "band, lace, anything that binds tight," from sphingein "to squeeze, bind," of unknown origin. First used in anatomical sense by Galen. There are several in the body; the one usually meant is the sphincter ani.


n. 1 (context anatomy English) A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning. 2 # (context in particular English) The internal or external anal sphincter, to the extent these are distinguished as two separate entities.


n. a ring of muscle that contracts to close an opening [syn: anatomical sphincter, sphincter muscle]


A sphincter is 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 60 types in the human body, some microscopically small, in particular the millions of precapillary sphincters. Sphincters relax at death, often releasing fluids.

Usage examples of "sphincter".

The dominatrix fingered the cleft of the climaxing girl, probing the hot sphincter and launching Chloe into renewed spasms of delight.

I may need a pacemaker, or even some of the odder additions people accept: artificial sphincters, intimate prostheses, cochlear implants to restore hearing.

Soon he or she may need a pacemaker, or even some of the odder additions people accept: artificial sphincters, prostheses, cochlear implants to restore hearing.

Because they do not defecate, their rectal avenue is a second mouth complete with tongue, one whose sphincters are every bit prehensile as your lips.

He was chloroformed and placed in the lithotomy position, his buttocks brought to the edge of the bed, and after dilatation of the sphincter, by traction with the fingers and tooth-forceps, the horn was extracted.

His stroking opened her ovipositor sphincters just before the egg reached them.

Colossal and grossly tubate, a caterpillar body studded with tufts, ventricles opening and closing sphincters, dun and specked with warning colours.

There is a case described of a man who evidently suffered from a patent urachus, as the urine passed in jets as if controlled by a sphincter from his umbilicus.

In the capacity of class homilist, I venture to call your attention, brethren and sisters, to the extraordinary common-sense displayed by the pyloric sphincter.

She groaned, flung her arms about his neck and pulled herself up against him, legs tightening on his hips, coital sphincters closing on his root.

Two seconds later the brown object popped out of the woman as if ejected by a sphincter, drawing from her a gasp of surprise.

She imagined the softgels dropping gently through the pyloric sphincter, the acids in her stomach breaching the gelatin of their shells, the watery pink liquid spilling FN-17.

I may need a pacemaker, or even some of the odder additions people accept: artificial sphincters, intimate prostheses, cochlear implants to restore hearing.

Hortensius had come in a state of terror so great that both sat with anal sphincters clenched upon bowel contents turned liquid, and hid their hands so that others would not see how they shook.

Morre returned the cautery to the brazier and examined his handiwork, critically, while Don Caspar relaxed, sobbing despite himself, and a lancer cleaned his buttocks and legs of what had come when his anal sphincter failed.