MorphogenesisLungOrganogenesisGene Expression Regulation, DevelopmentalPulmonary AlveoliLung DiseasesFibroblast Growth Factor 10Bronchopulmonary DysplasiaLung NeoplasmsAnimals, NewbornMesodermPulmonary Surfactant-Associated Protein CEpithelial CellsFetusEmbryonic and Fetal DevelopmentHyperoxiaLung InjuryIn Situ HybridizationEpitheliumPulmonary SurfactantsSignal TransductionRespiratory MucosaCell DifferentiationFetal Organ MaturityOrgan Culture TechniquesPregnancyGestational AgeElastinImmunohistochemistryRNA, MessengerCarcinoma, Non-Small-Cell LungMice, TransgenicEmbryo, MammalianHernia, DiaphragmaticLung TransplantationMice, KnockoutBone Morphogenetic Protein 4ProteolipidsMice, Inbred C57BLTranscription FactorsLung Volume MeasurementsWnt ProteinsNeuroendocrine CellsPhenotypePhenyl EthersCell ProliferationMutationModels, BiologicalHedgehog ProteinsMolecular Sequence DataAcute Lung InjuryHomeodomain ProteinsBone Morphogenetic ProteinsFibroblast Growth Factor 9Fibroblast Growth FactorsPulmonary Surfactant-Associated Protein BBronchiUteroglobinReverse Transcriptase Polymerase Chain ReactionCells, CulturedEmbryonic DevelopmentFibroblast Growth Factor 7BronchiolesCell DivisionTissue Culture TechniquesTracheaPulmonary Surfactant-Associated ProteinsBody PatterningPneumocytesSecretoglobinsCell MovementBase SequenceEmbryo, NonmammalianRats, Sprague-DawleyLamininPulmonary FibrosisPulmonary Surfactant-Associated Protein ATransforming Growth Factor betaGene Expression ProfilingFibroblastsCell PolarityGene ExpressionRespiratory Distress Syndrome, NewbornAmino Acid SequenceUreterFetal DevelopmentPulmonary EmphysemaBronchoalveolar Lavage FluidMembrane ProteinsZebrafishMice, Mutant StrainsDrosophila ProteinsNeovascularization, PhysiologicApoptosisTrans-ActivatorsExtracellular Matrixbeta CateninMicroscopy, ElectronBetamethasoneActins