sphincterotomy

sphincterotomy (sfingk-te-rot´o-me)

Incision or division of a sphincter muscle. [sphincter + G. tome, incision]
external s.transurethral incision of external urethral sphincter.
transduodenal s.division of Oddi's 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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