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Vasopressin

Meaning

Vasopressin, also known as Antidiuretic Hormone (ADH), is a small peptide hormone synthesized in the hypothalamus and released by the posterior pituitary gland. Its primary physiological role is the critical regulation of water balance and osmolality in the body by controlling water reabsorption in the kidneys. Additionally, it acts as a potent vasoconstrictor, influencing blood pressure and cardiovascular homeostasis.