antidiuretic hormone

Definitions

Medical

  • noun a hormone secreted by the posterior lobe of the pituitary gland which acts on the kidneys to regulate the quantity of salt in body fluids and the amount of urine excreted by the kidneys.

Sports

  • noun a hormone secreted by the pituitary gland which reduces the amount of water excreted in urine in response to dehydration or exercise.
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