ureteroileoneocystostomy u·re·ter·o·il·e·o·ne·o·cys·tos·to·my (y&oobreve;-rē'tə-rō-ĭl'ē-ō-nē'ō-sĭ-stŏs'tə-mē)
n.
Surgical restoration of the continuity of the urinary tract by anastomosis of the upper segment of a partially destroyed ureter to a segment of the ileum, the lower end of which is then implanted into the bladder.