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Fig. 3 | Respiratory Research

Fig. 3

From: High-resolution mucociliary transport measurement in live excised large animal trachea using synchrotron X-ray imaging

Fig. 3

MCT tracking particles in sheep and pig tracheae. Example high magnification images of tracked 103 μm HRI glass MCT marker particles in segments of excised sheep trachea (a and b) and pig trachea (c and d), from a dorsal/ventral view (a and c) and lateral view (b and d). For the lateral images, the dorsal tracheal surface is to the left and the ventral tracheal surface to the right. The particles successfully detected and tracked by our automated algorithm are marked with blue dots. The differences in cartilage texture and density between the sheep and pigs are clearly visible. In panel (c) the edges of the plastic hubs of two syringe needles used to pin the segment in place can be seen on the left and the right side of the image. Additional file 1: Video S1 and Additional file 2: Video S2 correspond to panels (a) and (c), respectively. Scale bar 2 mm

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