Meaning of SPHINCTER
| Pronunciation: | | 'sfingktur
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 WordNet Dictionary |
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| | Definition: | | [n] a ring of muscle that contracts to close an opening |
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| | Synonyms: | | anatomical sphincter, sphincter muscle |
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| | 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 |
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\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.
\Sphinc"ter\, a. (Anat.)
Of, pertaining to, or designating, a sphincter; as, a
sphincter muscle.
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| Medical Dictionary |
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| | Definition: | | ring-like band of muscle that opens and closes an opening in the body. |
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