capillaries

Cultural  

1. The tiny blood vessels throughout the body that connect arteries and veins. Capillaries form an intricate network around body tissues in order to distribute oxygen and nutrients to the cells and remove waste substances. (See circulatory system.)

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Example Sentences

If done properly, it's unlikely to cause you any harm, but Tina warns that "too much pressure can cause bruising or broken capillaries, so be gentle".

From BBC • Feb. 16, 2026

Their kidneys retained denser networks of capillaries, stronger filtration barriers, and more stable energy production within cells.

From Science Daily • Jan. 30, 2026

That pressure prevents cancer medications from flowing through capillaries to hair follicles and nerves in the hands and feet, Hannon said.

From The Wall Street Journal • Jan. 7, 2026

Researchers hope these artificial capillaries will aid in the development of better snakebite treatments while lowering the dependence on animal models.

From Science Magazine • Jun. 5, 2024

“I can see where a bundle of capillaries has ruptured. We’ll take care of that easily.”

From "Dead End in Norvelt" by Jack Gantos