Bone (IMAGE) Johns Hopkins Medicine Caption Bone regenerates when two human cell populations (pericytes and adventitial cells) are mixed and implanted in a skull bone defect in immunocompromised mice. Credit Yiyun Wang, research fellow at the Dept of Surgical Pathology, The Johns Hopkins University School of Medicine 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.