Basic Fibroblast (IMAGE) Neural Regeneration Research Caption Basic fibroblast growth factor-positive cells in the precentral motor area of the brain of rhesus macaques area are observed (arrows). Credit <i>Neural Regeneration Research</i> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.