Real or Replica? (IMAGE) Brown University Caption The Schwann cell on the left is real; the cell on the right is a replica. In the center is an impression, taken from a real cell, that is used in a two-part molding process. Cell replicas could be used in medical treatments to repair damaged nerves or in laboratory research. Credit Jan Bruder and Diane Hoffman-Kim/Brown University 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.