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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-tîrē-ōl′ /
  1. Any of the smaller branches of an artery, especially one that connects with a capillary.


Other Word Forms

Etymology

Origin of arteriole

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

Vocabulary lists containing arteriole

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.

See Examples For:

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

From Science Daily Mar. 6, 2024

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

From Textbooks Jun. 9, 2022

It increases GFR through concurrent vasodilation of the afferent arteriole and vasoconstriction of the efferent arteriole.

From Textbooks Jun. 19, 2013

This is a modified, smooth muscle cell lining the afferent arteriole that can contract or relax in response to ATP or adenosine released by the macula densa.

From Textbooks Jun. 19, 2013

A dilated arteriole or a vein winding about among the capillaries may sometimes be detected.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Alexis Thomson

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