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NCI Dictionary of Cancer Terms


median umbilical ligament  listen  (MEE-dee-un um-BIH-lih-kul LIH-guh-ment)

  A fibrous cord that connects the urinary bladder to the umbilicus (navel). The median umbilical ligament is formed as the allantoic stalk during fetal development and lasts through life. Also called urachus.