Pitressin

1 definition found

From WordNet (r) 2.0 [wn]:

  Pitressin
       n : 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}, {ADH}]