突触小泡 争争考 树突棘及棘器模式图 ② dendrite many short and more branches structure: similar to cell body dendritic spine( places for formation of synapse) and spine apparatus(structure formed by 2-3 layers SER) function receive the information② dendrite: ---many, short and more branches ---structure: similar to cell body ---dendritic spine( places for formation of synapse) and spine apparatus(structure formed by 2-3 layers SER) ---function: receive the information