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Myelin and nerve structure

Myelin and nerve structure

Overview

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

Review Date 8/13/2015

Updated by: Joseph V. Campellone, MD, Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.