arteriole Hear it!

arteriole definition

ar·teri·ole (är tir′ē ōl′)

noun

any of the smaller blood vessels, intermediate in size and position between arteries and capillaries

Etymology: ModL arteriola, dim. of L arteria, artery

Related Forms:

  • arteriolar ar·te′rio′·lar (-ō′lər) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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