Cells of Nervous System Neurons or nerve cells Receive stimuli and Neuron transmit action cell body Presynaptic terminals Dendrites potentials Schwann Node of Axon cell Ranvier Organization Cell body or soma Myel Axon sheath Collateral Dendrites. Input hillock formed by axon Schwann cell\ Axons: Output Nissl bodies Nucleus Nucleolus Neuroglia or glial cells Dendritic spine Golgi apparatus Support and protect Mitochondrion neuronsCells of Nervous System • Neurons or nerve cells – Receive stimuli and transmit action potentials – Organization • Cell body or soma • Dendrites: Input • Axons: Output • Neuroglia or glial cells – Support and protect neurons