Capillaries and Stem Cells Make Contact (IMAGE) University of Bath Caption Lab-engineered human capillaries (in green) derived from stem cells are 'making contact' with the sprouts protruding from a rat aorta (in red). Credit Tiago Fortunato University of Bath Usage Restrictions With credit to Tiago Fortunato University of Bath 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.