title: Duplication of the urinary tract occurring in one family.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007668:Kidney / Q000002:abnormalities*; D007682:Kidney Pelvis / Q000002:abnormalities; D010375:Pedigree; D014513:Ureter / Q000002:abnormalities*; D014518:Ureterocele / Q000150:complications