Definition of vasopressin
: a polypeptide hormone secreted by the posterior lobe of the pituitary gland or obtained synthetically that increases blood pressure and decreases urine flow —called also antidiuretic hormone
Recent Examples of vasopressin from the Web
In his own research with rats and voles, vasopressin promoted some maternal behaviors.
The compound seems to work by targeting the action of a receptor called the type-2 vasopressin receptor, which is involved in the disease, the researchers said.
But when rats have young, a surge of vasopressin helps push them to start caring for their pups.
Hormones like vasopressin and oxytocin are key in helping create a sense of closeness in relationships and play a starring role in both scenarios.
For example, in both species the hormone oxytocin modulates maternal bonding (loving) behaviors, while vasopressin accomplishes the task in males.
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Origin and Etymology of vasopressin
from Vasopressin, a trademark
First Known Use: 1927See Words from the same year
Medical Definition of vasopressin
: a polypeptide hormone that is secreted together with oxytocin by the posterior lobe of the pituitary gland, is also obtained synthetically, and increases blood pressure and exerts an antidiuretic effect—called also antidiuretic hormone, beta-hypophamine; see arginine vasopressin, lysine vasopressin, pitressin
Learn More about vasopressin
Britannica.com: Encyclopedia article about vasopressin
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