Organ: Bladder

Bladder: Internal organ storing urine filtered from the kidneys
Bladder: The balloon-shaped organ inside the pelvis that holds urine.1
Introduction: Urine filtered by the kidneys is passed to the bladder via tubes called ureters. As the bladder fills, a person uses the process of urination (or "voiding") to expel urine from the bladder and out the urethra. The bladder is shaped like an upside-down pyramid pointing down.
Introduction: The bladder is a hollow muscular organ shaped like a balloon. It sits in your pelvis and is held in place by ligaments attached to other organs and the pelvic bones. The bladder stores urine until you are ready to go to the bathroom to empty it. It swells into a round shape when it is full and gets smaller when empty. If the urinary system is healthy, the bladder can hold up to 16 ounces (2 cups) of urine comfortably for 2 to 5 hours. 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: 24 ; see list below.
Organ types: Urinary tract (32)
Number: 1 bladder
Related organs: ureter (4), urethra (4), kidneys (53), urination (4), urinary sphincter, pelvic floor muscles
Main condition: Bladder disorders
Organs: all organs

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


  • Acute urinary conditions ... bladder
  • Acute urinary retention ... bladder
  • Autoimmune Interstitial Cystitis ... bladder


  • Bedwetting ... bladder
  • Bladder Cancer ... bladder
  • Bladder conditions ... bladder
  • Bladder Incontinence (Pregnancy) ... bladder
  • Bladder papilloma ... bladder


  • Cystocele ... bladder


  • Hematuria ... bladder


  • Incontinence ... bladder
  • Interstitial cystitis ... bladder


  • Neurogenic bladder ... bladder


  • Proteinuria ... bladder


  • Schistosomiasis ... bladder


  • Ureter cancer ... bladder
  • Urinary Incontinence ... bladder
  • Urinary incontinence in children ... bladder
  • Urinary stones ... bladder
  • Urinary tract infections ... bladder
  • Urinary tract infections (child) ... bladder
  • Urine retention ... bladder


  • Vaginal fistula ... bladder
  • Vesicoureteral reflux ... bladder

    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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