blood vessel

American  

noun

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

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blood vessel British  

noun

1. an artery, capillary, or vein

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blood vessel Scientific  

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

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Etymology

Origin of blood vessel

First recorded in 1685–95

Example Sentences

Older adults tend to produce less nitric oxide as they age, and reduced nitric oxide availability can affect blood vessel function.

From Science Daily • May 25, 2026

The review warns that broad removal of senescent cells could potentially interfere with tissue repair, immune surveillance, blood vessel stability, and structural integrity in sensitive organs such as the heart, lungs, and brain.

From Science Daily • May 22, 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

Because of this, the long-term impact of omega-3 intake on brain recovery and blood vessel adaptation has remained unclear.

From Science Daily • Apr. 26, 2026

But an aneurysm is when a blood vessel breaks and the blood doesn’t get to the heart muscles because it is leaking.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

Related Words

• artery
• capillary
• vein