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blood vessels

Cultural  

  1. 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.

Blood vessels deliver oxygen and nutrients needed to generate heat and help distribute that heat throughout the body.

From Science Daily • Mar. 28, 2026

Blood vessels became more responsive to insulin, allowing greater blood flow to the muscles.

From Science Daily • Nov. 18, 2025

Blood vessels in the lungs aren't like the others in the body.

From Science Daily • May 2, 2024

Blood vessels keep blood inside a closed circulatory system, and nerves and muscles are wrapped in connective tissue sheaths that separate them from surrounding structures.

From Textbooks • Jun. 19, 2013

Blood vessels and tendons weave like hoverways under the Chancellor’s translucent skin.

From "The Last Cuentista" by Donna Barba Higuera

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.