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Meaning of SPHINCTER

Pronunciation:  'sfingktur

WordNet Dictionary
[n]  a ring of muscle that contracts to close an opening

SPHINCTER is a 9 letter word that starts with S.


 Synonyms: anatomical sphincter, sphincter muscle
 See Also: anal sphincter, bladder sphincter, muscle, musculus, musculus sphincter ani, musculus sphincter ductus choledochi, musculus sphincter ductus pancreatici, musculus sphincter pupillae, musculus sphincter pylori, musculus sphincter urethrae, musculus sphincter vesicae, physiological sphincter, pupillary sphincter, pyloric sphincter, pyloric valve, sphincter ani, urethral sphincter



Webster's 1913 Dictionary
  1. \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.
  2. \Sphinc"ter\, a. (Anat.)
    Of, pertaining to, or designating, a sphincter; as, a
    sphincter muscle.
Medical Dictionary
 Definition: ring-like band of muscle that opens and closes an opening in the body.