Regenerated Hair Follicles (IMAGE) Duke University Caption The image shows regenerated hair follicles at the center of a wound. The hair follicles appear as tear drop structures, and they have Keratin 5 positive tips, which appear in green. Credit Tatiana Segura Lab, Duke 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.