Axon.
Step-by-step explanation:
- Neurons have three parts namely, a cell body(perikaryon), dendrites and axon.
- Axon is the thin tapering long process that conduct nerve impulses away from the cell body towards succeeding neurons or target organs.
- Axons are covered by a protective myelin sheath that provides insulation to nerve fibres.
- The myelin sheath are interrupted by small gaps called Nodes of Ranvier.
- The Nerve impulse travels from one node to another.