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Axial plane histologic sections (hematoxylin and eosin) of cartilage repair region from 3 animals (A, B, C). In the repair region, the tissue is histologically characterized as fibrocartilagenous (single arrows) as opposed to surrounding normal articular cartilage (double arrows). All images are the same magnification and size; differences in cartilage thickness are due to variability between animals. Bar = 1 mm.
