Fig. 3

Primary culture of canine chondrocytes or synovial cells. a Morphology of canine chondrocyte or synovial cell cultures (passage 1) 3, 5, and 7 days after seeding (scale bar = 200 μm). b Alcian blue staining of canine chondrocytes (scale bar = 200 μm). c Cell viability assay of canine chondrocytes and synovial cells at 80% confluency (passage 1)