Definitions for vasopressinˌvæs oʊˈprɛs ɪn

This page provides all possible meanings and translations of the word vasopressin

Random House Webster's College Dictionary

vas•o•pres•sinˌvæs oʊˈprɛs ɪn(n.)

  1. a hormone released by the posterior pituitary gland that constricts small blood vessels and increases the absorption of water by the kidney.

    Category: Biochemistry, Pharmacology

    Ref: Also called antidiuretic hormone, ADH.

Origin of vasopressin:

1928; orig. trademark

Princeton's WordNet

  1. vasopressin, antidiuretic hormone, ADH, Pitressin(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

Wiktionary

  1. vasopressin(Noun)

    An antidiuretic hormone secreted by the pituitary gland

Freebase

  1. Argipressin

    Vasopressin, also known as arginine vasopressin, antidiuretic hormone, or argipressin, is a neurohypophysial hormone found in most mammals. Its two primary functions are to retain water in the body and to constrict blood vessels. Vasopressin regulates the body's retention of water by acting to increase water reabsorption in the collecting ducts of the kidney nephron. Vasopressin is a peptide hormone that increases water permeability of the kidney's collecting duct and distal convoluted tubule by inducing translocation of aquaporin-CD water channels in the kidney nephron collecting duct plasma membrane. It also increases peripheral vascular resistance, which in turn increases arterial blood pressure. It plays a key role in homeostasis, by the regulation of water, glucose, and salts in the blood. It is derived from a preprohormone precursor that is synthesized in the hypothalamus and stored in vesicles at the posterior pituitary. Most of it is stored in the posterior pituitary to be released into the bloodstream.

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