Dr Ritesh Satardey

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Urinary bladder

Overview

The urinary bladder is a flexible, muscular organ in the pelvis that stores urine produced by the kidneys. It expands to hold up to 400-600 milliliters of urine and contracts to expel it through the urethra during urination. The bladder’s lining, composed of transitional epithelium, can stretch to accommodate varying volumes. Urination involves both involuntary control by the internal sphincter and voluntary control by the external sphincter. Common issues include infections, incontinence, and bladder cancer.

What are the types of Urinary bladder?

The term “types of urinary bladder” can refer to different conditions or classifications related to the bladder, rather than distinct types of the organ itself. Here are some categories to consider:
  • Normal Bladder: The typical, healthy bladder that functions properly in storing and expelling urine.
  • Overactive Bladder: A condition where the bladder is excessively active, leading to frequent, urgent, and sometimes painful urination.
  • Underactive Bladder: A condition where the bladder does not contract adequately, leading to difficulty emptying the bladder completely.
  • Neurogenic Bladder: A bladder dysfunction caused by nerve damage, affecting its ability to store or release urine normally.
  • Bladder Disorders: Includes conditions like interstitial cystitis (painful bladder syndrome), bladder infections (cystitis), and bladder cancer.
  • Congenital Abnormalities: Rare conditions present from birth, such as bladder exstrophy, where the bladder is exposed outside the abdomen.

    • Symptoms

  • Frequent Urination: The need to urinate more often than usual, which can be a sign of conditions like an overactive bladder or urinary tract infection (UTI).
  • Urgency: A strong, sudden urge to urinate that is difficult to control, often associated with overactive bladder or infections.
  • Pain or Burning Sensation: Discomfort or a burning feeling during urination, which can indicate a UTI or interstitial cystitis.
  • Hematuria: Blood in the urine, which can be a symptom of bladder infections, bladder stones, or bladder cancer.
  • Difficulty Urinating: Trouble starting or maintaining a urine stream, potentially related to bladder outlet obstruction or neurogenic bladder.
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