Antidiuretic hormone (ADH) is a hormone produced by the hypothalamus and released by the posterior pituitary gland. It helps regulate water balance in the body by increasing water reabsorption in the kidneys.
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ADH is also known as vasopressin.
It acts on the collecting ducts of the nephron in the kidneys to promote water reabsorption.
ADH release is stimulated when blood osmolarity increases, indicating dehydration.
Alcohol inhibits ADH secretion, leading to increased urine production.
A deficiency in ADH can lead to diabetes insipidus, characterized by excessive urination and thirst.