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All neurons have three main parts – dendrites, cell body and axon. Dendrites are branch-like structures that receive messages from other neurons and allow the transmission of messages to the cell body. Axon is a tube-like structure that carries electrical impulse from the cell body to the axon terminals that passes the impulse to another neuron. The gap or junction between the terminal of one neuron and dendrites of another neuron is called a synapse.