blood vessel

noun

: any of the vessels through which blood circulates in the body

Examples of blood vessel 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.
Polyphenols in pecans may support healthy blood vessels. Fran Kritz, Verywell Health, 19 Dec. 2025 The American Heart Association (AHA) published a scientific statement this week sharing how inflamed gums and bacteria from the mouth can enter the bloodstream, triggering inflammation in the blood vessels. Khloe Quill, FOXNews.com, 18 Dec. 2025 Beets contain nitrates that convert to nitric oxide in your body, which helps relax your blood vessels and improve blood flow, lowering your blood pressure. Jenna Anderson, Health, 18 Dec. 2025 Dietary nitric oxide relaxes blood vessels, which then increases blood flow and lowers the risk for high blood pressure, stroke and heart attack. Sheah Rarback, Miami Herald, 18 Dec. 2025 See All Example Sentences for blood vessel

Word History

First Known Use

1655, in the meaning defined above

Time Traveler
The first known use of blood vessel was in 1655

Browse Nearby Words

Cite this Entry

“Blood vessel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20vessel. Accessed 22 Dec. 2025.

Kids Definition

blood vessel

noun
: a vessel (as an artery or vein) in which blood circulates in the body of an animal

Medical Definition

blood vessel

noun
: any of the vessels through which blood circulates in the body

More from Merriam-Webster on blood vessel

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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