1. Structure and function Typical Neuron has 4 Regions Dendrite Cell Bod Nissl substance Axon hillock A Dendrites Collateral branch Axon Neurofibrils Presynaptic terminals Schwann Each region is specialized AXoN Node of for its particular function forming the myelin sheath on axon Information flows in a single directionTypical Neuron has 4 Regions • Cell Body • Dendrites • Axon • Presynaptic Terminals Each region is specialized for its particular function Information flows in a single direction 1. Structure and Function