Please be patient! It may take up to ONE minute to load all the Engines.
Problems? Please contact our support.
White matter of the brain
The white matter of the brain refers to the nerve cells under the cortex (grey matter). These nerve cells have extensive myelin that covers part of each cell. Myelin acts as an insulator, and it increases the speed of transmission of all nerve signals.
Update Date: 5/8/2003Elaine T. Kiriakopoulos, M.D., M.Sc., Department of Neurology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT