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Tubular Reabsorption and Secretion

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  • What is aldosterone?
    A hormone that helps the kidneys regulate sodium and potassium balance.
  • What is tubular secretion?
    The process of removing excess ions and waste products from the blood and secreting them into the urine.
  • What is tubular reabsorption?
    The process of reclaiming useful substances from the filtrate and returning them to the bloodstream.
  • What is atrial natriuretic peptide (ANP)?
    A hormone that promotes the excretion of sodium and water in the kidneys, thus reducing blood volume and pressure.
  • What is parathyroid hormone (PTH)?
    A hormone that regulates calcium and phosphate balance in the body.
  • What is antidiuretic hormone (ADH)?
    hormone that helps the kidneys conserve water by reducing urine production.
  • What are some of the factors that regulate tubular reabsorption and secretion?
    Hormones, blood pressure, blood osmolality, and pH of the blood.
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