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arteriole

[ahr-teer-ee-ohl]
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noun
  1. Anatomy. any of the smallest branches of an artery, terminating in capillaries.
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Origin of arteriole

1830–40; < New Latin artēriola, equivalent to Latin artēri(a) artery + -ola -ole1
Related formsar·te·ri·o·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for arteriole

arteriole

noun
  1. anatomy any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries
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Word Origin

C19: from New Latin arteriola, from Latin artēria artery
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

Word Origin and History for arteriole

n.

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

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Online Etymology Dictionary, © 2010 Douglas Harper
arteriole in Medicine

arteriole

(är-tîr′ē-ōl′)
n.
  1. A minute artery, especially a terminal artery continuous with the capillary network.
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Related formsar•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.
arteriole in Science

arteriole

[är-tîr′ē-ōl′]
  1. Any of the smaller branches of an artery, especially one that connects with a capillary.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.