- transduodenal s. division of Oddi sphincter; an operation to open the lower end of the common duct to remove impacted stones or to relieve spasm or stricture of the terminal bile and pancreatic ducts.

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sphinc·ter·ot·o·my .sfiŋk-tər-'ät-ə-mē n, pl -mies surgical incision of a sphincter

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1. surgical division, usually partial, of any sphincter muscle. See also anal fissure.
2. surgical removal of part of the iris in the eye at the border of the pupil.

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sphinc·ter·ot·o·my (sfingk″tər-otґə-me) [sphincter + -tomy] incision of a sphincter.

Medical dictionary. 2011.

Look at other dictionaries:

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  • sphincterotomy — sphinc·ter·ot·o·my …   English syllables

  • sphincterotomy — n. 1) surgical division, usually partial, of any sphincter muscle. See also: anal fissure 2) surgical incision of part of the iris in the eye at the border of the pupil …   The new mediacal dictionary

  • sphincterotomy — ˌsfiŋ(k)təˈräd.əmē noun ( es) Etymology: International Scientific Vocabulary sphincter + o + tomy : surgical incision of a sphincter …   Useful english dictionary

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  • internal sphincterotomy — incision of the internal anal sphincter in treatment of an anal fissure …   Medical dictionary

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  • List of surgical procedures — Surgical procedures have long and possibly daunting names. The meaning of many surgical procedure names can often be understood if the name is broken into parts. For example in splenectomy, ectomy is a suffix meaning the removal of a part of the… …   Wikipedia

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