pitressin
Học thuậtThân thiện
Definition
Noun: 1. A trademark name for vasopressin: Pitressin is a brand name for the synthetic form of the hormone vasopressin. This hormone is crucial for regulating the body's water balance and blood pressure.
Usage
- Pitressin is used as a proper noun referring to the specific pharmaceutical product.
- It is primarily used in medical and clinical contexts.
Examples
- The doctor administered Pitressin to manage the patient's diabetes insipidus.
- Pitressin is effective in reducing urine output by promoting water reabsorption in the kidneys.
Advanced Usage
- Therapeutic Use: Pitressin is used therapeutically to treat conditions like diabetes insipidus (which causes excessive thirst and urination) and to control bleeding from esophageal varices.
- Diagnostic Use: It can be used in diagnostic tests to assess kidney function and the body's ability to concentrate urine.
Variants and Related Words
- Vasopressin (n): The generic scientific name for the hormone. Pitressin is a brand-name version of this hormone.
- Antidiuretic hormone (ADH) (n): Another name for vasopressin, describing its primary function of preventing diuresis (water loss through urine).
Synonyms
- Vasopressin
- Antidiuretic hormone (ADH)
Notes on Meaning
- Pitressin specifically denotes the manufactured drug. The naturally occurring substance in the body is called vasopressin or ADH.
- Its two main physiological effects are:
- Vasoconstriction: Constricting blood vessels, which increases blood pressure (hence "vasopressin").
- Antidiuresis: Reducing urine production by signaling the kidneys to reabsorb more water.
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