Figure 6From: Role of pulmonary intravascular macrophages in endotoxin-induced lung inflammation and mortality in a rat modelUltrastructural localization of TNF-α: Immuno-gold electron microscopy showed TNF-α labeling (arrows) in cytoplasm of a pulmonary intravascular macrophage (PIM) and endothelium (En). L: Lysomse; AS: Alveolar space. Bar: 1 μm.Back to article page