Pitressin

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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
  1. 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

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