New pathway in immune defense discovered (IMAGE) Universitatsklinikum Bonn Caption (from left) Dr. Ibrahim Hawwari, Prof. Bernardo Franklin and Lukas Roßnagel discover new intercellular communication mechanism in which blood platelets, so-called thrombocytes, regulate the function of monocytes. Credit University Hospital Bonn / Alessandro Winkler Usage Restrictions The impression in connection with the service is free, while the image specified author is mentioned. License Original 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.