Category:Sphincter

Sphinc"ter, n. Etym: [nl., fr. (anat.)

Defn: 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.)

Defn: of, pertaining to, or designating, a sphincter; as, a sphincter Muscle.