vasoconstriction
noun
va·so·con·stric·tion
ˌvā-zō-kən-ˈstrik-shən 
: narrowing of the lumen of blood vessels
Examples of vasoconstriction in a Sentence
Recent Examples on the Web
Cold weather also causes vasoconstriction (narrowing of blood vessels), according to London, which increases the risk of plaque rupture and the potential for heart attack.
—
Angelica Stabile, FOXNews.com, 16 Dec. 2025
Certain enzymes promote vasoconstriction (blood vessel tightening), which can raise blood pressure.
—Lindsay Curtis, Verywell Health, 10 Dec. 2025
Low levels of magnesium can cause vasoconstriction, which can lead to headache pain.
—Ashley Wong, Health, 21 July 2025
Calcium triggers vasoconstriction, narrowing the artery, raising pressure.
—Bryant Stamford, The Courier-Journal, 5 Dec. 2024
See All Example Sentences for vasoconstriction
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Angelica Stabile, FOXNews.com, 16 Dec. 2025
Certain enzymes promote vasoconstriction (blood vessel tightening), which can raise blood pressure.
—Lindsay Curtis, Verywell Health, 10 Dec. 2025
Low levels of magnesium can cause vasoconstriction, which can lead to headache pain.
—Ashley Wong, Health, 21 July 2025
Calcium triggers vasoconstriction, narrowing the artery, raising pressure.
—Bryant Stamford, The Courier-Journal, 5 Dec. 2024
See All Example Sentences for vasoconstriction
Cite this Entry
“Vasoconstriction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vasoconstriction. Accessed 23 Dec. 2025.
Copy CitationMedical Definition
vasoconstriction
noun
va·so·con·stric·tion
-kən-ˈstrik-shən
: narrowing of the lumen of blood vessels especially as a result of vasomotor action
Love words? Need even more definitions?
Merriam-Webster unabridged
Share