Fig. 3

Mycobacteria are taken up by different cell types in the ex vivo infected human lung tissues a. Infected cell with labels, at × 640 magnification, intracellular bacilli were visualized by Ziel Neelsen staining in pink color, scale bar =100 μm. b. Infected cell types were shown separetely with labels, the images were acquired at × 1000 magnification, scale bars = 30 μm