Alveolar macrophages (VIDEO) Rockefeller University This video is under embargo. Please login to access this video. Caption Rather than battle bacterial infection or reduce sticky buildup in the lungs, these alveolar macrophages (pink) taken from the lungs of a sick child wander aimlessly, the result of a newly discovered genetic deficiency. Credit Anna-Lena Neehus/The Rockefeller University Usage Restrictions Video may only be used to illustrate research described in the accompanying release. 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.