The brain is characterized by an enormous degree of complexity and diversity of neural networks,which makes it one of the most complicated organs,and plays essential roles in regulating body and mind,maintaining thinking and others important physiology actions.Chemical synapses are the basal unite of neural networks,cell adhesion molecules(CAMs)instruct synapse formation through intercellular protein-protein interactions,form stable synaptic connections and regulate synaptic function by recruiting synaptic ...