title: [Cytodifferentiation and extracellular macromolecule "proteoglycan" (author's transl)].
mesh_terms: D000818:Animals; D002356:Cartilage / Q000378:metabolism; D002454:Cell Differentiation; D002642:Chick Embryo; D002809:Chondroitin Sulfates / Q000096:biosynthesis; D004838:Epiphyses / Q000166:cytology; D006025:Glycosaminoglycans / Q000096:biosynthesis* / Q000378:metabolism; D011509:Proteoglycans / Q000096:biosynthesis*; D013431:Sulfates / Q000378:metabolism
chemical_list: D006025:Glycosaminoglycans; D011509:Proteoglycans; D013431:Sulfates; D002809:Chondroitin Sulfates