Chapter 44 - Neurons, Glia, and Nervous Systems - 44.2 - Neurons Generate and Transmit electric Signals - 44.2 Recap - Learning Outcomes - Page 949: 4

Action potentials travel lengthwise down axons, from the dendrites of one end of a neuron to the postsynaptic terminal on the opposite side. The impulse is only transmitted though the repetitive influx of sodium ions as the signal moves down the axon.

Action potentials travel lengthwise down axons, from the dendrites of one end of a neuron to the postsynaptic terminal on the opposite side. The impulse is only transmitted though the repetitive influx of sodium ions as the signal moves down the axon.