Figure 6From: The expression of GapA and CrmA correlates with the Mycoplasma gallisepticum in vitro infection process in chicken TOCsLesion development in the tracheal epithelium after inoculation with Rlow, RCL1, RCL2 and Rhigh. Microscopic images of A control-, B Rlow-, C RCL1-, D RCL2- and E Rhigh-inoculated groups. All images represent the last time point of examination, 97 hpi 400-fold magnification. Grey arrowheads indicate ciliary loss, grey stars indicate submucosal edema, and white arrows indicate flattened, disintegrated epithelial cells.Back to article page