Tracks (IMAGE) Université de Genève Caption These are tracks of resident monocytes (green) and neutrophils (red) in the blood vessel in mice in resting conditions. The cells patrolling along the blood vessel wall appear like stripes whereas the cells transported in the blood circulation appear like isolated dots. Credit ©Yalin Emre, UNIGE 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.