arteriole

[ ahr-teer-ee-ohl ]

noun

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

arteriole

/ ɑːˈtɪərɪˌəʊl /

noun

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

arteriole

/ är-tîr′ē-ōl′ /

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

Other Words From

• ar·teri·olar adjective

Word History and Origins

Origin of arteriole¹

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

Word History and Origins

Origin of arteriole¹

C19: from New Latin arteriola, from Latin artēria artery

Example Sentences

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

From Project Gutenberg

Related Words

• artery
• capillary
• vein