antidiuretic hormone
Americannoun
noun
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A polypeptide hormone secreted by the posterior portion of the pituitary gland that constricts blood vessels, raises blood pressure, and reduces excretion of urine.
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Also called vasopressin
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But there is a hormonal aspect too: Vasopressin, an antidiuretic hormone, ramps up during exercise, and especially when it’s hot.
From Slate • Aug. 17, 2025
One of the most prominent of these is the antidiuretic hormone, or ADH.
From Seattle Times • Jul. 26, 2022
Stress decreases osmolality, which increases antidiuretic hormone secretion.
From Textbooks • Jun. 9, 2022
The peptide hormones include molecules that are short polypeptide chains, such as antidiuretic hormone and oxytocin produced in the brain and released into the blood in the posterior pituitary gland.
From Textbooks • Jun. 9, 2022
Children whose bladders tend to spasm can be treated with anticholinergic drugs, and children who lack an antidiuretic hormone can take a synthetic version.
From New York Times • Jan. 11, 2010
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
