Details Disease Category Normal State Organ System/Discipline Lung Clinical History In this section of a diseased lung, the interalveolar septum is enlarged and heavily infiltrated with macrophages. Labels in this Slide: - Macrophage Image Contributors Wiley, M. Lists containing this slide Alveoli, Alveolus Cite Wiley, M. Alveoli, Alveolus. Digital Laboratory Medicine Library, Dept of Laboratory Medicine & Pathobiology, University of Toronto. Published August 14, 2014 . Accessed December 17, 2025. https://dev.dlml.cflabs.ca/image/alveoli-alveolus-lmp79566