Fig. 4From: Sonic hedgehog promotes chondrogenesis of rabbit bone marrow stem cells in a rotary cell culture systemThe effect of Shh on chondrogenesis after 21 days of differentiation induction in the RCCS environment. a Cellular morphology. b Toluidine blue staining on cell-microcarrier complexes. c Toluidine blue staining on the cells after inoculated onto slides. d Collagen II immunohistochemical staining on cell-microcarrier complexes. e Collagen II immune-histochemical staining on the cells after inoculated onto slides. Scale bar: 100 μmBack to article page