Figure 1.

Effect of dexamethasone on colony formation by primary human patellar or anterior cruciate ligament derived cell. 1 × 10³ cells were cultured in 56 cm² Petri dishes for 11 days as described in the text. The cultures were then stopped, stained with methylene blue and colony number (A) and colony size (B) determined by image analysis. * denotes statistical significance compared to appropriate control cultures, p < 0.05.