Mitochondria, Thomas Deerinck, NCMIR, UC San Diego (image) University of California - San Diego Share Print E-Mail Caption A colorized electron micrograph depicting mitochondria. These organelles -- the power plants of every cell -- play a critical role in peripheral nerve growth regeneration. Credit Image courtesy of Thomas Deerinck, National Center for Microscopy and Imaging Research, UC San Diego. Usage Restrictions Use caption and photo credit as indicated Share Print E-Mail 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.