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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Uraco

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



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.