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blood vessels

Cultural

The flexible tubular canals through which blood circulates in the body. Arteries, veins, and capillaries are all kinds of blood vessels. (See circulatory system.)

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.

The strains of hantavirus in the Americas are attracted to the small blood vessels of the lungs and make the blood vessels leaky — which is bad, because the lungs need air, said Chin-Hong.

From Los Angeles Times • May 4, 2026

It attached to areas where new blood vessels were forming - thought to be a key part of early endometriosis growth.

From BBC • Apr. 29, 2026

By examining the preserved blood vessels, researchers can gain insight into healing processes and survival strategies in large predatory dinosaurs.

From Science Daily • Apr. 26, 2026

His team focused on the biological processes involved in repairing blood vessels in the brain after injury.

From Science Daily • Apr. 26, 2026

For a wound like his, which hadn’t damaged any organs or blood vessels, the risk of infection in the hospital’s crowded poor ward was more dangerous than remaining in bedrest at home.

From "The City Beautiful" by Aden Polydoros

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