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Dilation of a ureter.
[ureter + G. ektasis, a stretching out]
megaloureter/meg·a·lo·ure·ter/ (-u-re´ter) megaureter.
Etymology: Gk, megas + oureter, ureter
an abnormal condition characterized by marked dilation of one or both ureters, resulting from dysfunctional peristaltic action of the smooth muscle in the ureters. Treatment may include surgical resection. Also called megaureter.
megaureterA condition characterised by dilation of the ureter, which is more common in males, often bilateral and typically associated with other urogenital abnormalities. Therapy usually entails tunnelled reimplantation to prevent reflux.
meg·a·lo·u·re·ter, megaureter (megă-lō-yūrĕ-tĕr, megă-yūrĕ-tĕr)
An enlarged dilated ureter.
congenital ureteral dilatation without demonstrable cause.