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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.

During healthy sleep, the heart and blood vessels have time to rest, repair, and reset.

From Science Daily

Many cells in the body, especially those that line blood vessels, are covered by a dense outer layer called the glycocalyx.

From Science Daily

It found the death rate increased among patients who had severe heart attacks, which refers to when a blood vessel that feeds the heart is completely blocked.

From The Wall Street Journal

When LDL levels are too high, cholesterol can build up inside artery walls, forming plaques that narrow blood vessels.

From Science Daily

The results suggest that the health of the brain's blood vessels may influence the disease process early on and could help flag people at risk before noticeable symptoms develop.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.