This book provides by means of an intermicroscopy study of transmission electron microscopy, scanning electron microscopy and confocal laser scanning microscopy and immunihistochemistrt a basic knowledge on the axospinodendritic contacts, multisynaptic o glomerular synapyic contacts, axosomatic synapses and axodendritic junctions in the normal cerebellar synapses, and in synaptic pathology of cerebral cortex, such as brain trauma, tumors, congenital hydrocephalus, and synaptic toxicity induced by dyphenilhydantoine and oil derivative like benzene