TrophoblastsPlacentaPlacentationPregnancyChorionic VilliChoriocarcinomaPregnancy Trimester, FirstDeciduaEmbryo ImplantationPregnancy ProteinsCell DifferentiationCells, CulturedHLA-G AntigensCell LinePre-EclampsiaPlacenta DiseasesGiant CellsBlastocystImmunohistochemistryGene Expression Regulation, DevelopmentalChorionCell MovementMaternal-Fetal ExchangePlacental LactogenUterusMicroscopy, ElectronEndometriumRNA, MessengerCell CommunicationMorphogenesisCell AggregationStem CellsCell LineageCell AdhesionChorionic GonadotropinSignal TransductionCell PolarityPregnancy, AnimalUterine NeoplasmsIn Situ HybridizationIntercellular JunctionsGene ExpressionCoculture TechniquesGestational AgePlacental CirculationPregnancy Trimester, ThirdFibroblast Growth Factor 4Hydatidiform MoleReverse Transcriptase Polymerase Chain ReactionTranscription FactorsFluorescent Antibody TechniqueModels, BiologicalKeratin-7Epithelial CellsCell DivisionMolecular Sequence DataBlotting, WesternTrophoblastic NeoplasmsFetal Growth RetardationCytoskeletonPhenotypeGene Expression RegulationMicroscopy, ConfocalEmbryo, MammalianEmbryonic DevelopmentMicroscopy, Phase-ContrastMutationMicroscopy, Electron, ScanningCell Culture TechniquesPregnancy, TubalExtraembryonic MembranesTime FactorsMembrane ProteinsMesodermDictyosteliumApoptosisBase SequenceMice, Inbred C57BLCadherinsCell ShapeTrophoblastic Tumor, Placental SiteMice, TransgenicCell ProliferationEmbryo Loss