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.

A stroke can be ischemic, clots blocking the flow of blood to the brain, or hemorrhagic, blood vessels rupturing in the brain.

From The Wall Street Journal • Apr. 19, 2026

This environment includes not only cancer cells but also nearby immune cells, blood vessels, and other supporting structures.

From Science Daily • Apr. 12, 2026

Peptide drugs, on the other hand, are manufactured to last longer in the body to create a therapeutic response, such as controlling appetite or promoting the growth of new blood vessels, bone density or muscle.

From Salon • Apr. 4, 2026

The drug is also used in infants to treat pulmonary hypertension due to its ability to widen blood vessels.

From Science Daily • Mar. 31, 2026

That is when a blood clot blocks one of the blood vessels taking blood to the muscles in the heart.

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

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