IleumUmbilical VeinsUmbilical ArteriesHernia, UmbilicalFetal BloodHuman Umbilical Vein Endothelial CellsUmbilicusEndothelium, VascularCord Blood Stem Cell TransplantationPregnancyGuinea PigsUltrasonography, PrenatalCells, CulturedEndothelial CellsMyenteric PlexusMuscle, SmoothIleal DiseasesIleitisInfant, NewbornSingle Umbilical ArteryUltrasonography, DopplerGestational AgeFetal Growth RetardationIntestine, SmallFetusIntestinal MucosaPlacental CirculationMuscle ContractionUrachal CystIleal NeoplasmsBlood Flow VelocityPlacentaHeart Rate, FetalFetal DiseasesMaternal-Fetal ExchangeIntestinal AbsorptionFetal DistressIntestinesColonFetal HypoxiaBlood BanksGastrointestinal MotilityWharton JellyDuodenumCell AdhesionDiphenylacetic AcidsRNA, MessengerHistamineNeovascularization, PhysiologicPulsatile FlowEndotheliumDose-Response Relationship, DrugSwineIleocecal ValveFetal MonitoringTime FactorsMesenchymal Stromal CellsUltrasonography, Doppler, PulsedPregnancy OutcomeAtropineUrachusApgar ScoreE-SelectinVascular Cell Adhesion Molecule-1Ultrasonography, Doppler, ColorAcetylcholineCesarean SectionPregnancy Trimester, ThirdCell MovementVascular Endothelial Growth Factor AAntigens, CD34CecumFetal HeartPeristalsisRabbitsIntercellular Adhesion Molecule-1Placental InsufficiencyCell ProliferationPregnancy Trimester, SecondGastrointestinal ContentsSheepPre-EclampsiaTumor Necrosis Factor-alpha