Organ: Ureter

Ureter: Tubes from kidneys to pass urine to the bladder
Ureter: Tubes that carry urine from the kidneys to the bladder. 1
Introduction: From the kidneys, urine travels down two thin tubes called ureters to the bladder. The ureters are about 8 to 10 inches long. Muscles in the ureter walls constantly tighten and relax to force urine downward away from the kidneys. If urine is allowed to stand still, or back up, a kidney infection can develop. Small amounts of urine are emptied into the bladder from the ureters about every 10 to 15 seconds. 2

Narrow tubes called ureters carry urine from the kidneys to the bladder, a triangle-shaped chamber in the lower abdomen. Like a balloon, the bladder's elastic walls stretch and expand to store urine. They flatten together when urine is emptied through the urethra to outside the body.3

Condition count: 4 ; see list below.
Organ types: Urinary tract (32)
Number: 2 ureters (one for each kidney)
Related organs: kidney (53), urethra (4), bladder (24), penis (30), vulva (2), vagina (44), urinary system (32)
Organs: all organs

Diseases list: The following list of medical conditions have 'Ureter' or similar listed as an affected body part in our database:


  • Ureter cancer ... ureter
  • Urinary Incontinence ... ureter
  • Urinary stones ... ureter
  • Urinary tract infections (child) ... ureter

    1. excerpt from Kidney Failure Glossary: NIDDK
    2. excerpt from Your Urinary System and How It Works: NIDDK
    3. excerpt from Kidney Diseases: NWHIC

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