title: [Definition of lipid].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005227:Fatty Acids; D006017:Glycolipids; D006801:Humans; D008055:Lipids; D008074:Lipoproteins
chemical_list: D005227:Fatty Acids; D006017:Glycolipids; D008055:Lipids; D008074:Lipoproteins