blood vessels


noun

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

noun

  1. an artery, capillary, or vein

n.

  1. An elastic tubular channel, such as an artery, a vein, a sinus, or a capillary, through which the blood circulates.

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

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

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