Fig. 1From: Effect of micro-strain stress on in vitro proliferation and functional expression of human osteoarthritic chondrocytesCharacterization and identification of cartilage and chondrocytes. A Gross view of knee osteoarthritis cartilage. B The H&E staining of knee osteoarthritis cartilage. C Toluidine blue staining of osteoarthritic chondrocytes. D Safranin O staining of osteoarthritic chondrocytes. E Collagen II immunofluorescence staining of osteoarthritic chondrocytesBack to article page