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Medicine LibreTexts

12: Urinary System

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  • Learning Objectives

    After completing this section, you should know:

    • the parts of the urinary system
    • the structure and function of a kidney
    • the structure and function of a kidney tubule or nephron
    • the processes of filtration, reabsorption, secretion and concentration that convert blood to urine in the kidney tubule
    • the function of antidiuretic hormone in producing concentrated urine
    • the composition, storage and voiding of normal urine
    • abnormal constituents of urine and their significance
    • the functions of the kidney in excreting nitrogenous waste, controlling water levels and regulating salt concentrations and acid-base balance
    • that birds do not have a bladder

    Contributors and Attributions

    • Ruth Lawson (Otago Polytechnic; Dunedin, New Zealand)