choledocholithotomy

Incision of the common bile duct for the extraction of a stone. [choledocho- + G. lithos, stone, + tome, incision]

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cho·led·o·cho·li·thot·o·my -lith-'ät-ə-mē n, pl -mies surgical incision of the common bile duct for removal of a gallstone

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cho·led·o·cho·li·thot·o·my (ko-led″ə-ko-lĭ-thotґə-me) [choledocho- + lithotomy] incision of the common bile duct for the removal of a calculus.