from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See vasopressin.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a hormone secreted by the posterior pituitary gland
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
antidiuretic + hormone (Wiktionary)