A synapse,which was made of two dendritic spines which were at the initial segment of the dendrite,was observed in this area and there were some cisternae in one of the dendritic spines.

• 在两个树突的近端还观察到1例由两树突棘形成的突触，并且其中一个树突棘内有几个扁平的囊和正从其两端芽生突触囊泡。