Contact: Karen Kreeger
University of Pennsylvania School of Medicine
Caption: Allergic inflammation in the mouse lung. Activated airway epithelial cells (green) and alternatively activated macrophages (red) are visualized by immuno-fluorescent staining of histologic sections.
Credit: Meera Nair, PhD Mark Siracusa, PhD and David Artis, PhD, Perelman School of Medicine, University of Pennsylvania
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