vasopressin

American  

[vas-oh-pres-in] / ˌvæs oʊˈprɛs ɪn /

noun

1. Biochemistry. a peptide hormone, synthesized in the hypothalamus and released by the posterior pituitary gland, that stimulates capillary muscles and reduces the flow of urine and increases its concentration.

2. Pharmacology. a synthetic preparation of this hormone, used as an antidiuretic in the treatment of diabetes insipidus.

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vasopressin British  

/ ˌveɪzəʊˈprɛsɪn /

noun

1. Chemical name: beta-hypophamine.  Also called: antidiuretic hormone.  a polypeptide hormone secreted by the posterior lobe of the pituitary gland. It increases the reabsorption of water by the kidney tubules and increases blood pressure by constricting the arteries Compare oxytocin

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vasopressin Scientific  

/ vā′zō-prĕs′ĭn /

1. See antidiuretic hormone

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Etymology

Origin of vasopressin

First recorded in 1928; originally trademark

Example Sentences

Arginine, an essential amino acid, also stimulates the release of vasopressin and was shown to deliver a reliable diagnosis.

From Science Daily • Nov. 16, 2023

People with vasopressin deficiency cannot concentrate their urine, causing them to lose large quantities of fluid and to feel very thirsty.

From Science Daily • Nov. 16, 2023

If a patient is mistakenly treated with vasopressin, it can lead to water intoxication, which can be life-threatening.

From Science Daily • Nov. 16, 2023

Likewise, when a human subject holds her partner’s hand, it activates her nucleus accumbens—one of the brain regions that in prairie voles has receptors for oxytocin and vasopressin.

From Scientific American • Feb. 13, 2023

Oxytocin and vasopressin control the third stage: attachment or long-term bonding.

From "The Sun Is Also a Star" by Nicola Yoon