arteriole


ar·te·ri·ole

noun \är-ˈtir-ē-ˌōl\

Definition of ARTERIOLE

:  any of the small terminal twigs of an artery that ends in capillaries
ar·te·ri·o·lar \-ˌtir-ē-ˈō-ˌlär, -lər\ adjective

Origin of ARTERIOLE

French or New Latin; French artériole, probably from New Latin arteriola, diminutive of Latin arteria
First Known Use: 1830

ar·te·ri·ole

noun \är-ˈtir-ē-ˌōl\   (Medical Dictionary)

Medical Definition of ARTERIOLE

: any of the small terminal twigs of an artery that ends in capillaries
ar·te·ri·o·lar \-ˌtir-ē-ˈō-ˌlär, -lər\ adjective

Illustration of ARTERIOLE

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