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arteriole

[ahr-teer-ee-ohl]

Origin

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noun

Anatomy. any of the smallest branches of an artery, terminating in capillaries.

Origin:
1830–40; < Neo-Latin artēriola, equivalent to Latin artēri(a) artery + -ola -ole¹

Related forms

ar·te·ri·o·lar, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Arteriole is always a great word to know.

So is tibia. Does it mean:

a muscular, membranous or ligamentous wall separating the thoracic or chest cavity from the abdominal cavity in mammals

the inner of the two bones of the leg, that extend from the knee to the ankle; the shinbone

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Collins

World English Dictionary

arteriole (ɑːˈtɪərɪˌəʊl)

—n
	anatomy any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries

[C19: from New Latin arteriola, from Latin artēriaartery]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

arteriole

"small artery," c.1840, from Mod.L. arteriola, dim. of arteria (see artery).

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

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.

American Heritage

Science Dictionary

arteriole