Blood VesselsUltrasonographyUltrasonography, Doppler, ColorUltrasonography, DopplerUltrasonography, PrenatalLymphatic VesselsRetinal VesselsEndosonographyUltrasonography, Doppler, DuplexNeovascularization, PhysiologicNeovascularization, PathologicUltrasonography, InterventionalUltrasonography, Doppler, PulsedUltrasonography, MammaryCoronary VesselsEndothelium, VascularSensitivity and SpecificityUltrasonography, Doppler, TranscranialTomography, X-Ray ComputedEndothelial CellsPregnancyArteriesBlood Flow VelocityContrast MediaProspective StudiesVascular Endothelial Growth Factor ASulfur HexafluorideImaging, Three-DimensionalImmunohistochemistryCapillariesRegional Blood FlowCarotid ArteriesReproducibility of ResultsPericytesTime FactorsVeinsPredictive Value of TestsMuscle, Smooth, VascularAntigens, CD31Retrospective StudiesMagnetic Resonance ImagingFetal DiseasesBlood Vessel ProsthesisUrographyLymphatic SystemAortaVasodilationScrotumTreatment OutcomeCarotid Artery DiseasesCerebral ArteriesCystsAngiogenesis InhibitorsImage EnhancementAllantoisGestational AgeCerebrovascular CirculationLymphangiogenesisDisease Models, AnimalFollow-Up StudiesVasoconstrictionFemoral ArteryTunica IntimaDiagnostic ImagingAngiopoietin-1Receptor, TIE-2ArteriolesCapillary PermeabilityLiver NeoplasmsUterusEndothelial Growth FactorsVascular ResistanceMice, Inbred C57BLImage Processing, Computer-AssistedVascular Endothelial Growth Factor Receptor-2AbdomenEndotheliumCells, CulturedPalpationPreoperative CarePortal VeinVascular Endothelial Growth FactorsPulsatile FlowHemangiomaRabbitsVenulesCarotid Artery, CommonTunica MediaCell MovementObserver VariationArteriosclerosisVascular DiseasesGallbladderOvarian CystsCorrosion CastingMesenteric ArteriesSkinToe JointThyroid NoduleMagnetic Resonance Angiography