Changes in the capacity for clonal growth and differentiation in vitro of the vertebral cartilage cells with embryonic development. II. Vitalizing effect of conditioned medium on the cells of younger embryos.
D000818:Animals; D002356:Cartilage / Q000196:embryology*; D002642:Chick Embryo; D002999:Clone Cells / Q000254:growth & development*; D003470:Culture Media; D046508:Culture Techniques; D003956:Dialysis; D006358:Hot Temperature; D012160:Retina; D013131:Spine / Q000196:embryology*; D014357:Trypsin
D003470:Culture Media; D014357:Trypsin