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arteriole

[ahr-teer-ee-ohl] /ɑrˈtɪər iˌoʊl/
noun
1.
Anatomy. any of the smallest branches of an artery, terminating in capillaries.
Origin
1830-1840
1830-40; < Neo-Latin artēriola, equivalent to Latin artēri(a) artery + -ola -ole1
Related forms
arteriolar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for arterioles
  • The blood flows into smaller and smaller branches of arteries called arterioles.
  • Once in circulation, the crystals get stuck in tiny blood vessels called arterioles.
British Dictionary definitions for arterioles

arteriole

/ɑːˈtɪərɪˌəʊl/
noun
1.
(anatomy) any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries
Word Origin
C19: from New Latin arteriola, from Latin artēriaartery
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for arterioles

arteriole

n.

"small artery," by 1808, from Modern Latin arteriola, diminutive of arteria (see artery).

Online Etymology Dictionary, © 2010 Douglas Harper
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arterioles in Medicine

arteriole ar·te·ri·ole (är-tǐr'ē-ōl')
n.
A minute artery, especially a terminal artery continuous with the capillary network.


ar·te'ri·o'lar (-ō'lər, -ə-lər) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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arterioles in Science
arteriole
  (är-tîr'ē-ōl')   
Any of the smaller branches of an artery, especially one that connects with a capillary.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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