Although markers for both small vesicles and large dense core vesicles are found in astrocytes, the identity of vesicles undergoing exocytosis has been largely unclear.

• 尽管人们已经在星型胶质细胞中发现了小囊泡和大致密核心囊泡的标记物，可是用以胞吐的囊泡究竟是什么还并不清楚。