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Showing results for arteriole. Search instead for arteriolar.
Synonyms

arteriole

American  
[ahr-teer-ee-ohl] / ɑrˈtɪər iˌoʊl /

noun

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

arteriole British  
/ ɑːˈtɪərɪˌəʊl /

noun

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

"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
arteriole Scientific  
/ är-tîr′ē-ōl′ /

  1. Any of the smaller branches of an artery, especially one that connects with a capillary.

Other Word Forms

  • arteriolar adjective

Etymology

Origin of arteriole

1830–40; < New Latin artēriola, equivalent to Latin artēri ( a ) artery + -ola -ole 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They also reduced heart muscle growth and scaring while prompting arteriole formation and growth.

From Science Daily • Mar. 6, 2024

The branch that enters the glomerulus is called the afferent arteriole.

From Textbooks • Jun. 9, 2022

The branch that exits the glomerulus is called the efferent arteriole.

From Textbooks • Jun. 9, 2022

Once the efferent arteriole exits the glomerulus, it forms the peritubular capillary network, which surrounds and interacts with parts of the renal tubule.

From Textbooks • Jun. 9, 2022

Such a deposition of layer upon layer of cells in an arteriole and the resulting fibrosis leads to the condition of disappearance of the lumen of the vessel, endarteritis obliterans.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.