vasopressin

noun

1. Biochemistry. a peptide hormone, synthesized in the hypothalamus and released by the posterior pituitary gland, that stimulates capillary muscles and reduces the flow of urine and increases its concentration.
2. Pharmacology. a synthetic preparation of this hormone, used as an antidiuretic in the treatment of diabetes insipidus.

noun

1. a polypeptide hormone secreted by the posterior lobe of the pituitary gland. It increases the reabsorption of water by the kidney tubules and increases blood pressure by constricting the arteriesAlso called: antidiuretic hormone Chemical name: beta-hypophamine Compare oxytocin

n.

1928, from vasopressor, from vaso-, comb. form of Latin vas “container, vessel” (see vas).

n.

1. A hormone, related to oxytocin, that is secreted by the posterior lobe of the pituitary gland, constricts blood vessels, raises blood pressure, stimulates intestinal motility, and reduces the excretion of urine.antidiuretic hormone

1. See antidiuretic hormone.