- jejunoileostomy
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je·ju·no·il·e·os·to·my ji-.jü-nō-.il-ē-'äs-tə-mē, .jej-ü-nō- n, pl -mies the formation of an anastomosis between the jejunum and the ileum* * *
n.an operation in which the jejunum is joined to the ileum (small intestine), when either the end of the jejunum or the beginning of the ileum has been removed or is to be bypassed. It is usually performed for intestinal disease (e.g. Crohn's disease). It was formerly used for the treatment of obesity but has been abandoned because of serious side-effects.* * *
je·ju·no·il·e·os·to·my (jə-joo″no-il″e-osґtə-me) [jejuno- + ileo- + -stomy] the formation of an anastomosis between the proximal jejunum and the terminal ileum. the anastomosis so formed. jejunoileal bypass.
Medical dictionary. 2011.