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blood vessel

American  

noun

  1. any of the vessels, as arteries, veins, or capillaries, through which the blood circulates.


blood vessel British  

noun

  1. an artery, capillary, or vein

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

blood vessel Scientific  
  1. An elastic tube or passage in the body through which blood circulates; an artery, a vein, or a capillary.


Etymology

Origin of blood vessel

First recorded in 1685–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A separate clinical trial from Louisiana State University explored whether watermelon juice could help protect blood vessel function during periods of elevated blood sugar.

From Science Daily • May 17, 2026

You may not know you have high blood pressure until something goes wrong and that extra pressure ruptures a blood vessel - like a burst pipe – causing a stroke or a heart attack.

From BBC • May 15, 2026

That challenge pushed the researchers toward a different idea: a biomaterial that could be infused into a blood vessel in the heart during procedures such as angioplasty or stenting, or delivered through an IV.

From Science Daily • May 5, 2026

High-risk diabetes included people who had the condition for at least 10 years, required daily insulin, or had diabetes-related small blood vessel damage.

From Science Daily • Mar. 30, 2026

Every blood vessel under my skin expands, throwing off heat and warming the space between us.

From "Love, Hate & Other Filters" by Samira Ahmed

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