Three Types of Adipocytes (IMAGE) University of Pennsylvania School of Medicine Caption The different types of fat cells are shown. Credit Cassie Tan , PhD, Perelman School of Medicine, University of Pennsylvania 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.