Aldosterone and antidiuretic hormone (ADH), also known as vasopressin, play crucial roles in regulating urine composition and volume. Aldosterone promotes sodium reabsorption in the kidneys, which leads to increased water retention and, consequently, reduced urine output. ADH enhances water reabsorption in the kidney's collecting ducts, further concentrating the urine and decreasing its volume. Together, these hormones help maintain fluid balance and blood pressure in the body.
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