arteriole
US /ɑːrˈtɪr.iˌoʊl/
UK /ɑːˈtɪə.ri.əʊl/
名词
小动脉
a small branch of an artery leading into capillaries.
示例:
•
Blood flows from the artery into the arteriole and then to the capillaries.
血液从动脉流向小动脉，然后流向毛细血管。
•
The constriction of arterioles helps regulate blood pressure.
小动脉的收缩有助于调节血压。