AmnionPterygiumGraft SurvivalMembranesMembrane LipidsCell MembraneIntracellular MembranesMembrane PotentialsMembranes, ArtificialGraft Occlusion, VascularErythrocyte MembraneMembrane FluidityCell Membrane PermeabilityBasement MembraneBlood Vessel ProsthesisMembrane Transport ProteinsMembrane GlycoproteinsPolytetrafluoroethyleneLipid BilayersTime FactorsMicroscopy, ElectronMitochondrial MembranesProtein TransportSynaptic MembranesCell LineLiposomes