Stem CellsIntestinesFetusAdult Stem CellsChimerismPaneth CellsStem Cell NicheEnterocytesFetomaternal TransfusionEnteroendocrine CellsCell LineageMaternal-Fetal ExchangeCell DifferentiationIntestinal MucosaReceptor, EphB3Intestine, SmallFetal Stem CellsFetal ResearchReceptors, Invertebrate PeptideJanus KinasesCell ProliferationPregnancyReceptors, G-Protein-CoupledFetal Tissue TransplantationRegenerationStem Cell TransplantationSTAT Transcription FactorsStem Cell ResearchHematopoietic Stem CellsDrosophila ProteinsWnt ProteinsEmbryonic Stem CellsComplicityMultipotent Stem CellsSignal TransductionReceptors, NotchDrosophila melanogasterAborted FetusIntestinal NeoplasmsMetamorphosis, BiologicalPrenatal DiagnosisResearchPluripotent Stem CellsApc1 Subunit, Anaphase-Promoting Complex-CyclosomePlacentaMitogen-Activated Protein Kinase 11Wnt Signaling PathwayPolycomb Repressive Complex 1Hematopoietic Stem Cell TransplantationCells, CulturedPectobacterium carotovorumThrombospondinsMice, Inbred C57BLbeta CateninDirected Tissue DonationNeural Stem CellsInduced Pluripotent Stem CellsNeoplastic Stem CellsOrganoidsGoblet CellsEpithelial CellsGreen Fluorescent ProteinsImmunohistochemistryHomeostasisFetal BloodMesenchymal Stem Cell TransplantationDrosophilaMice, TransgenicLifeBiological MarkersGestational AgeAmniotic FluidAnimals, Genetically ModifiedErythroblastsMesenchymal Stromal CellsPersonhoodColonStem Cell FactorGene Expression Regulation, DevelopmentalTrophoblastsBasic Helix-Loop-Helix Transcription FactorsChimeraBeginning of Human LifeCell DivisionAbortion, VeterinaryMice, KnockoutCell SeparationIntracellular Signaling Peptides and ProteinsIn Situ Hybridization, FluorescenceGene Expression ProfilingNerve Tissue ProteinsAdenomaTranscription FactorsGamma RaysSex Determination AnalysisModels, BiologicalY ChromosomeCell Culture TechniquesPolymerase Chain ReactionPlant Stems