Dictionary > Arteriole


(Science: anatomy) a minute artery, especially one that leads to a capillary.
One of the small thin-walled arteries that end in capillaries.Arterioles are responsible for carrying oxygenated blood from the heart to all over the body. These arterioles get progressively smaller the more distanced they are from the heart, as most of the blood supply is required by the major organs positioned close to the heart and is provided by the arteries.
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