lissosphincter

lissosphincter
A sphincter of smooth musculature. SYN: smooth muscular sphincter. [G. lissos, smooth, + sphincter]

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lis·so·sphinc·ter (lisґo-sfingk″tər) [Gr. lissos smooth + sphincter] musculus sphincter urethrae internus.

Medical dictionary. 2011.

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  • sphincter — A muscle that encircles a duct, tube, or orifice in such a way that its contraction constricts the lumen or orifice. SYN: musculus s. [TA], s. muscle [TA]. [G. sphinkter, a band or lace] s. of ampulla s. of hepatopancreatic ampulla. anatomic s.… …   Medical dictionary

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