Schwann cells insulate the nerves outside the brain and spinal cord, speeding up neural signaling. Oligodendrocytes have the same job in the brain and spinal cord.
Brain Bytes showcase essential facts about neuroscience.
Design by A. Tong
Design by Adrienne Tong.
Image: Prof. Peter Brophy CC BY 4.0
About the Author
Calli McMurray
Calli McMurray is the Media & Science Writing Associate at SfN. She graduated from the University of Texas at Austin in 2019 with a Bachelor of Science in Neuroscience.