Figure 1: Histological changes in knee joints of Balb/c mice after transplantation of invasive fibroblasts.
A: Healthy joint of a Balb/c mouse. KAO stained.
B: Signs of destruction in a knee joint of a Balb/c mouse 4 weeks after transplantation of fibroblasts. KAO stained.
C: Healthy joint of a Balb/c mouse in polarization microscope.
D: Signs of destruction in a knee joint of a Balb/c mouse 4 weeks after transplantation of fibroblasts seen by polarization microscopy.