Sphincter
['sfɪŋktə] or ['sfɪŋktɚ]
解释:
(n.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.
(a.) Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.
校对:玛克辛
解释:
n. (anat.) a muscle that contracts or shuts an orifice or opening which it surrounds—around the anus &c.—adjs. Sphinc′terāte provided with a sphincter contracted as if by a sphincter; Sphinctē′rial Sphincter′ic relating to a sphincter or its function.—n. Sphincterot′omy the operation of cutting a sphincter.
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