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.
- antidiuretic hormone
- internal secretion
- -in (English)
- vasopressor (English)
Example sentences of the word vasopressin
1. Noun, singular or mass
According to the MSKCC site, valerian root may harmfully interact with other herbs or supplements that are metabolized by the liver, such as or vasopressin.