IonsIsomerismHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaLevocardiaHeart Bypass, RightPulmonary VeinsErythrocruorinsPulmonary Veno-Occlusive DiseaseGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicIon ChannelsCell Adhesion MoleculesNodal ProteinAtrioventricular NodeModels, MolecularFetal DiseasesVena Cava, InferiorMagnetic Resonance SpectroscopyFontan ProcedureAzygos VeinMolecular Sequence DataSinoatrial NodeTachycardia, SupraventricularProtein ConformationMolecular StructureHeart BlockAmino Acid SequenceUltrasonography, PrenatalHeart ValvesIon TransportIon Channel GatingProlineAtrial AppendageStereoisomerismHeart Septal Defects, AtrialPrenatal DiagnosisSmall Molecule LibrariesInfant, NewbornSyndromeHeavy IonsBody PatterningProtein BindingPregnancyKineticsBinding SitesEchocardiographyCell LineBase SequenceSpleenTime FactorsGestational AgeSignal TransductionCells, CulturedAsiaNeural Cell Adhesion MoleculesPeptidesCrystallography, X-RayProtein Structure, TertiaryWaterHydrogen-Ion ConcentrationIntercellular Adhesion Molecule-1LigandsCell MembraneStructure-Activity RelationshipRecombinant ProteinsAntibodies, MonoclonalModels, Biological