vasodilation

noun

va·​so·​di·​la·​tion ˌvā-zō-dī-ˈlā-shən How to pronounce vasodilation (audio)
-də-
variants or vasodilatation
: widening of the lumen of blood vessels

Examples of vasodilation in a Sentence

Recent Examples on the Web
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.
To counter this change, the blood vessels in these areas get wider (called vasodilation), which in turn can cause localized swelling. Tim Petrie, Dpt, Verywell Health, 8 Oct. 2024 Prostaglandins also trigger vasodilation (the widening of blood vessels), which the body uses to regulate blood pressure.21 If NSAIDs are overused, the inhibition of prostaglandins can prevent vasodilation. Kumkum S. Patel, Verywell Health, 26 Sep. 2024 This response involves a sudden drop in blood pressure and vasodilation—a decrease in blood flow throughout the body.1 Various conditions and diseases trigger a sense of impending doom and the vasovagal response. Mark Gurarie, Health, 19 Sep. 2024 When vasodilation occurs, blood vessels widen to increase blood flow. Christopher Lee, Verywell Health, 14 Aug. 2024 See all Example Sentences for vasodilation 

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of vasodilation was in 1908

Dictionary Entries Near vasodilation

Cite this Entry

“Vasodilation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vasodilation. Accessed 21 Dec. 2024.

Medical Definition

vasodilation

noun
va·​so·​di·​la·​tion ˌvā-zo-dī-ˈlā-shən How to pronounce vasodilation (audio)
variants or vasodilatation
: widening of the lumen of blood vessels

More from Merriam-Webster on vasodilation

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!