Cell Colonies (IMAGE) Boston Children's Hospital Caption Using a novel 3D culture method, Kim and colleagues were able to prod bronchioalveolar stem cells to produce colonies containing airway (bronchiolar) epithelial cells, alveolar epithelial cells or both cell types. Credit Joo-hyeon Lee, Boston Children's Hospital 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.