arteriole
noun
ar·te·ri·ole
är-ˈtir-ē-ˌōl 
: any of the small terminal twigs of an artery that ends in capillaries
Examples of arteriole in a Sentence
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The aorta branches into several large and medium-sized arteries that further branch into smaller arterioles.
—
Angela Ryan Lee, Verywell Health, 1 Aug. 2024
Arteries can be thought of as a system of pipes that branch into narrower blood vessels, called arterioles, until reaching capillaries, where oxygen exchange occurs.
—Angela Ryan Lee, Verywell Health, 1 Aug. 2024
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Angela Ryan Lee, Verywell Health, 1 Aug. 2024
Arteries can be thought of as a system of pipes that branch into narrower blood vessels, called arterioles, until reaching capillaries, where oxygen exchange occurs.
—Angela Ryan Lee, Verywell Health, 1 Aug. 2024
Cite this Entry
“Arteriole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arteriole. Accessed 3 Mar. 2025.
Copy CitationKids Definition
arteriole
noun
ar·te·ri·ole
är-ˈtir-ē-ˌōl
: a very small artery connecting a larger artery to capillaries
Medical Definition
arteriole
noun
ar·te·ri·ole
är-ˈtir-ē-ˌōl
: any of the small terminal twigs of an artery that ends in capillaries
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