The plural of axon; long, thin extensions of nerve cells (neurons) that carry electrical signals away from the cell body to other cells.
From Greek 'axon' meaning 'axis' or 'axle,' named for its appearance as the central conducting structure of a nerve fiber.
Your longest axon runs from your spinal cord to your foot—some exceed three feet long—yet they're thinner than a human hair, and they fire signals at speeds up to 120 meters per second.
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