title: [Connective tissue and diseases; 1. Some basic knowledge concerning connective tissue and its constituting elements].
mesh_terms: D003094:Collagen / Q000378:metabolism; D006025:Glycosaminoglycans / Q000378:metabolism*; D006801:Humans; D011509:Proteoglycans / Q000096:biosynthesis / Q000378:metabolism*
chemical_list: D006025:Glycosaminoglycans; D011509:Proteoglycans; D003094:Collagen