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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

Example Sentences

Recent Examples on the Web By causing vasodilation, or widening of blood vessels, nitric oxide improves blood flow during movement. Good Housekeeping, 16 Sep. 2022 During intense exercise there is an excess of blood and fluid flooding the muscle through a process known as vasodilation. Dr. Michael Daignault, USA TODAY, 25 May 2022 Heat therapy, on the other hand, relaxes blood vessel wall muscles via vasodilation, which widens their diameter and increases blood flow. Dr. Michael Daignault, USA TODAY, 19 May 2022 The cold weather and vasodilation of blood vessels causes more tightness in the muscles, which have to work harder than in milder weather. Kelly Dinardo, New York Times, 6 Feb. 2021 That's because their bodies naturally dilate their blood vessels in a process called vasodilation to compensate for the reduced oxygen content. Kristen Rogers, CNN, 23 Apr. 2020 When your heart rate goes up, your blood vessels begin to expand (vasodilation) to pump more blood around your body. Jessica Cruel, SELF, 27 July 2018 For decades to come, migraine pain would be blamed primarily on the dilation of blood vessels (vasodilation) in the brain. David Noonan, Scientific American, 1 Dec. 2015 See More

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of vasodilation was in 1908

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