1 definition found From WordNet (r) 2.0 [wn]: ADH noun: hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules [syn: {vasopressin}, {antidiuretic hormone}, {Pitressin}]

Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. -KM