MicrofibrilsElastinCelluloseTropoelastinMicrofilament ProteinsMarfan SyndromeCollagen Type VIContractile ProteinsExtracellular Matrix ProteinsWoodDesmosinePinusCell WallPhaeophytaExtracellular MatrixElasticityMicroscopy, ElectronElastic TissueCollagenChitinIsodesmosineProtein Structure, QuaternaryFibroblastsAmino Acid SequenceMolecular Sequence DataPancreatic ElastaseProtein Structure, TertiaryProtein-Lysine 6-OxidaseMicrotubulesPolysaccharidesLigamentsMutationAortic Stenosis, SupravalvularProtein BindingImmunohistochemistryCutis LaxaRecombinant ProteinsAortaMatrix Metalloproteinase 12Williams SyndromeConnective TissueAminopropionitrile