胆小管是相邻肝细胞之间，局部质膜凹陷成槽并相互对接、封闭而形成的微细小管，并以盲端起于中央静脉的附近，呈放射状走向肝小叶的周边，行至小叶边缘汇成数条短小的闰管，又称为赫令管，离开小叶边缘后汇合成小叶间胆管。
图中的门管区具有突出的慢性炎性浸润而胆小管丧失。
Seen here in a portal tract is an intense chronic inflammatory infiltrate with loss of bile ductules.
胆小管腔和窦周隙内浸润许多由肝细胞发出的微绒毛结构。
The lumen of the bile canaliculus and the space of Disse were occluded by many microvilli extended by hepatocytes.
与简单极化上皮细胞不同，肝细胞在肝脏血管与胆小管间形成多个极化膜面，并由紧密连接分隔。
Unlike the simple polarity in epithelial cells, hepatocytes are constituted of multi-polar membranes between blood vessels and bile ducts, and separated by tight junctions.
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