Definition of vasopressin in US English:



  • A pituitary hormone which acts to promote the retention of water by the kidneys and increase blood pressure.

    • ‘The amount of water your body gets rid of is regulated by an anti-diuretic hormone called vasopressin.’
    • ‘Researchers found that hormones and peptides such as estrogen, progesterone, oxytocin and vasopressin played a big role in how well these animals cared for their young.’
    • ‘Additionally, prolonged exposure to stress induces increased levels of thyroid hormones and vasopressin.’
    • ‘At times of stress, the body signals to the hypothalamus, a small gland in the brain, to start producing two hormones, vasopressin and cortisol.’
    • ‘A study compared the effects of vasopressin and adrenaline on 324 patients' survival after cardiac arrest in a hospital setting’


1920s: blend of vasopressor and -in.