speed of movement of crest cells is stimulated in gels containing 10 % fetal calf serum and chick embryo extract , 33 micrograms/ml fibronectin cell-binding fragments , 3 mg/ml chondroitin sulfate , or 3 mg/ml chondroitin sulfate proteoglycan when compared to rates of movement through collagen lattices alone .
C0007608
movement
C0007634
cell