Appendix 3—figure 1.  Illustrations of control lung tissue (hydrated).
(a) Volume rendering of the tissue block (0.97×1.00×0.73 mm3) and (b) slice through the volume, examined in PB-configuration. (c) Slice from the cone-beam scan, arrows indicating the structure of a healthy septum. Particularly, macrophages and erythrocytes emerge. Scale bars: (b) 100⁢μ⁢m and (c) 300⁢μ⁢m.