monooctanoin

A semisynthetic esterified glycerol used as a solubilizing agent for radiolucent gallstones retained in the biliary tract following cholecystectomy.

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mono·oc·ta·no·in (mon″o-ok″tə-noґin) a semisynthetic glycerol derivative used to dissolve cholesterol stones in the common and intrahepatic bile ducts; administered as a continuous perfusion via catheter.