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. 2020 Apr 27;21(9):3075. doi: 10.3390/ijms21093075

Figure 6.

Figure 6

Human lung. Glycocalyx staining on intraalveolar surfactant. (a) Intraalveolar surfactant (boxed areas) in the airspace of an alveolus nearby an alveolar epithelial type II (AEII) cell is decorated by thorium dioxide. The boxed areas are shown in (b,c) at higher magnification. The stain on the intraalveolar surfactant (arrowheads) is less intense compared to the stain on the AEII cell, rather comparable with the punctual stain on an AEI cell (compare Figure 4).