by Cece ?? Fri Jan 20, 2012 7:47 pm <a href="http://www.medicalnewstoday.com/release">http://www.medicalnewstoday.com/release</a> ... w.facebookBrain Support Cells From Umbilical Cord Stem Cells...Oligodendrocytes produce myelin, which insulates nerve cells, making it possible for them to conduct the electrical signals that guide movement and other functions.