Pitressin (Noun)
Meaning
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.
Classification
Nouns denoting body parts.
Examples
- The hormone vasopressin, also known as pitressin, plays a crucial role in regulating blood pressure.
- The posterior pituitary gland secretes pitressin in response to low blood volume or low blood pressure.
- In some cases, a synthetic version of pitressin is administered to patients with diabetes insipidus to help regulate urine production.
- Pitressin helps to constrict blood vessels, which in turn increases blood pressure and reduces urine flow.
- During severe blood loss or hemorrhage, the body releases pitressin to help conserve water and maintain blood pressure.