Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of sphincter is as below...

Constrictor :: Constrictor (n.) A muscle which contracts or closes an orifice, or which compresses an organ; a sphincter..

Sphincter :: Sphincter (n.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder..

Proctocele :: Proctocele (n.) Inversion and prolapse of the mucous coat of the rectum, from relaxation of the sphincter, with more or less swelling; prolapsus ani..

Sphincter :: Sphincter (a.) Of, pertaining to, or designating, a sphincter; as, a sphincter muscle..

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