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.


© Webster 1913.

Sphinc"ter, a. Anat.

Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.


© Webster 1913.

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