VeinsPopliteal VeinLegUltrasonography, Doppler, DuplexSaphenous VeinPortal VeinVaricose VeinsFemoral VeinPulmonary VeinsJugular VeinsCranial Fossa, PosteriorMesenteric VeinsRenal VeinsUmbilical VeinsIliac VeinHepatic VeinsPosterior Cerebral ArterySubclavian VeinCerebral VeinsSplenic VeinPosterior Cruciate LigamentRetinal VeinAzygos VeinBrachiocephalic VeinsUveitis, PosteriorMagnetic Resonance ImagingRetinal Vein OcclusionAxillary VeinHypothalamus, PosteriorOssification of Posterior Longitudinal LigamentSpinal FusionPituitary Gland, PosteriorTreatment OutcomeLens Capsule, CrystallinePosterior Leukoencephalopathy SyndromeVenous ThrombosisTomography, X-Ray ComputedPhlebographyInfratentorial NeoplasmsPosterior Capsule of the LensVenous InsufficiencyParietal LobeBody PatterningBrain MappingInfarction, Posterior Cerebral ArteryTime FactorsThoracic VertebraePostoperative ComplicationsCadaverRetrospective StudiesCervical VertebraeFollow-Up StudiesVena Cava, InferiorImage Processing, Computer-AssistedLumbar VertebraeCataractGene Expression Regulation, DevelopmentalGraft Occlusion, VascularBone ScrewsPosterior Tibial Tendon DysfunctionVascular PatencyDecompression, SurgicalScleraCervical AtlasPosterior Thalamic NucleiVascular Surgical ProceduresKyphosisBrainThrombophlebitisInternal FixatorsHuman Umbilical Vein Endothelial CellsVitreous DetachmentCatheter AblationProspective StudiesFunctional LateralityOrthopedic Fixation DevicesScoliosisOccipital BoneLaminectomyEmbryo, NonmammalianUltrasonography, Doppler, ColorLenses, IntraocularVitreous BodyLens Implantation, IntraocularBayes TheoremImaging, Three-DimensionalHomeodomain ProteinsCataract ExtractionSpinal Cord CompressionEndothelium, VascularMorphogenesisAnastomosis, SurgicalConstriction, PathologicDrosophila ProteinsDislocationsIn Situ HybridizationReoperationVisual AcuityCapsulorhexisLaser Therapy