Figure 2. Expression of CD44 in TMJ condyle cartilage. Cryostat sections of TMJ articular cartilage were incubated with biotinylated anti-CD44 antibody (C,D,G,H) or biotinylated-rat IgG_2b (E,F), with rhodamine-red detection and DAPI nuclear stain. Panels A and B show brightfield views of sections depicted in panels C and D, respectively. Regions identified by the rectangles in C and D are shown at higher magnification in panels G and H. Bars = 70 µm in panels A-F and 20 µm in panels G and H.