arterial

Science Dictionary
artery   (är'tə-rē)  Pronunciation Key 
Any of the blood vessels that carry oxygenated blood away from the heart to the body's cells, tissues, and organs. arteries are flexible, elastic tubes with muscular walls that expand and contract to pump blood through the body.

arterial adjective (är-tîr'ē-əl)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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