Medical Dictionary

arteriole

noun ar·te·ri·ole \är-ˈtir-ē-ˌōl\

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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