Cultured for 72 hours,the morphous of cell of the experiment group grew clustering and began to change from round to irregularity,appearing rough cell face and barb pustute. The longer cell cultured,the more obvious the dendritic structure is.

• 在培养的第72h后实验组细胞形态开始变化,随着培养时间的延长,树突状结构更加明显,第12天细胞呈典型的树突状细胞形态;