Figure 2From: Intratracheal transplantation of human umbilical cord blood-derived mesenchymal stem cells attenuates Escherichia coli-induced acute lung injury in miceGross Histologic Evaluation. Photomicrographs of hematoxylin and eosin staining of each group at three time points. (Scale bar = 25 μm and 10 μm in the magnified photograph).Back to article page