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.
The researchers tried to replicate this damage by exposing blood vessel cells directly to salt in a laboratory dish, but the cells showed no harmful effects. Khloe Quill, FOXNews.com, 22 Apr. 2026 Nitroglycerin Nitroglycerin is a fast-acting medication that widens blood vessels to improve blood flow and treat chest pain. Carrie Madormo, Verywell Health, 22 Apr. 2026 Beets also contain nitrates, which may help relax blood vessels and support healthy blood flow and blood pressure. Lindsey Desoto, Health, 22 Apr. 2026 Further investigation showed that the baby had suffered a skull fracture, ruptured blood vessels in her eyes, brain bleeding and swelling. Shelly Bradbury, Denver Post, 21 Apr. 2026 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 28 Apr. 2026.

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

Love words? Need even more definitions?

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

More from Merriam-Webster