vasopressin: Meaning and Definition of


Pronunciation: (vas"ō-pres'in), [key]
— n.
  1. 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. a synthetic preparation of this hormone, used as an antidiuretic in the treatment of diabetes insipidus. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: