The capillaries of the acini gradually join together to make postcapillary venules and venules which form a plexus around the striated ducts before converging on intralobular vein, or directly converge on intralobular vein.

• 腺泡周围毛细血管逐渐汇集成毛细血管后微静脉、微静脉,它们在纹管周围交织吻合形成微静脉丛或直接注入小叶内静脉,在纹管周围未见窦状毛细血管网。