Pulmonary Diffusing CapacityMacrophages, AlveolarMembranesPulmonary AlveoliCell MembraneMembrane LipidsIntracellular MembranesMembrane PotentialsMembranes, ArtificialAlveolar ProcessMembrane FluidityErythrocyte MembraneBasement MembraneCell Membrane PermeabilityPulmonary Alveolar ProteinosisAlveolar Bone LossCarotid Intima-Media ThicknessMicroscopy, ElectronRhabdomyosarcoma, AlveolarTomography, Optical CoherenceLipid BilayersMembrane Transport ProteinsMembrane GlycoproteinsSkinfold ThicknessCells, CulturedCell LineMitochondrial MembranesModels, BiologicalProtein TransportTime FactorsTunica MediaLiposomesSynaptic Membranes