Word Study
arteriole
CIDE DICTIONARY
arteriole, n. [NL. arteriola, dim. of L. arteria: cf. F. artériole.].
A small artery with a muscular wall. [1913 Webster]
OXFORD DICTIONARY
arteriole, n. a small branch of an artery leading into capillaries.
Etymology
F art{eacute}riole, dimin. of art{egrave}re ARTERY
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