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    Myelin and nerve structure
   
Myelin and nerve structure

Myelin is the layer that forms around nerve cells. Its purpose is to speed the transmission of impulses along nerve cells.


Review Date: 12/22/2019
Reviewed By: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 01/06/2020.
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