Patterns on Chicken Skin (IMAGE) University of California - Berkeley Caption The pattern of follicles on chicken skin changes with the level of cellular pulling and is lost when the traction is very high or low. Credit Amy Shyer, UC Berkeley 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.