ureterBethan GrantApril 17, 2023 The tubes which carry wee from the kidneys to the bladder. Related Articles: Urinary Tract Infection in ChildrenAdvice about common symptoms of urinary tract infection (UTI) in children and their diagnosis, treatment and management.Daytime bladder problems – what to do when problems persistChildren's daytime bladder problems, what to do, what help your doctor can offer and what treatments are available.