- Published15 Apr 2020
- Author Calli McMurray
- Source BrainFacts/SfN
Motor neurons carry movement instructions from the brain and spinal cord to muscles throughout the body. Their nerve fibers are the longest in the body — a single axon can stretch from the base of the spinal cord all the way to the toes.
Brain Bytes showcase essential facts about neuroscience.
Design by Adrienne Tong.
Image: Fayette A. Reynolds, Berkshire Community College Bioscience Image Library
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