arteriole,

泵出后沿着主动脉到各级动脉(artery),然后再进入小动脉(arteriole)
自己做的 肾小球基本结构 入球动脉 afferent arteriole efferent
小动脉 arteriole
small artery and arterioles 小动脉: 小动脉 管径小于 1 mm; 微
a scanning electron micrograph of a replica of an arteriole