ar·te·ri·ole
noun/ɑːˈtɪəriəʊl/
/ɑːrˈtɪriəʊl/
(anatomy)- a thin branch of an artery that leads off into capillaries
小动脉：细小动脉分支，通向毛细血管 Word Originmid 19th cent.: from French artériole, diminutive of artère from Latin arteria, from Greek artēria, probably from airein ‘raise’.