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  2. Kidney and Urinary Tract Disorders/
  3. Biology of the Kidneys and Urinary Tract/
    Biology of the Kidneys and Urinary Tract
    • Overview of the Urinary Tract
    • Kidneys
      • Functions of the Kidneys
        • Water and electrolyte balance
        • Filtration and excretion
        • Regulation of blood pressure
        • Secretion of hormones
    • Ureters
    • Bladder
    • Urethra
    • Effects of Aging on the Urinary Tract
      • Age-related changes in the kidneys
      • Age-related changes in the ureters
      • Age-related changes in the bladder
      • Age-related changes in the urethra
      • Age-related changes in the prostate gland
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