SpineSpinal CurvaturesLumbar VertebraeCervical VertebraeSpinal DiseasesGravitropismThoracic VertebraeSpinal InjuriesScoliosisUnilamellar LiposomesDendritesSpinal FusionLipid BilayersLordosisPhototropismKyphosisGravity SensingStereognosisPlant Root CapModels, AnatomicSpinal FracturesSpinal NeoplasmsPenile IndurationBone DensityRefraction, OcularCorneal TopographySynapsesGravitationIntervertebral DiscCorneaForm PerceptionRotationModels, BiologicalMembrane FluidityBiomechanical PhenomenaHippocampusComputer SimulationNucleic Acid ConformationElasticityBiometrySpinal Cord CompressionPhotogrammetryCell MembraneStress, MechanicalImaging, Three-DimensionalIntervertebral Disc DisplacementMagnetic Resonance ImagingPostureLiposomesPhosphatidylethanolaminesPerceptual ClosureNeuronal PlasticityUrologic Surgical Procedures, MaleMembrane LipidsZygapophyseal JointLaminectomyNeuronsImage Processing, Computer-AssistedFinite Element AnalysisRange of Motion, ArticularMovementLumbosacral RegionAbsorptiometry, PhotonModels, MolecularPyramidal CellsMolecular ConformationOrthopedic ProceduresSpinal CanalAstigmatismRefractive ErrorsBone ScrewsDecompression, SurgicalTime FactorsSpinal StenosisTomography, X-Ray ComputedMyopiaBiophysicsTuberculosis, SpinalBiophysical PhenomenaPelvisReproducibility of ResultsOrthopedic Fixation DevicesSpinal OsteophytosisAnterior ChamberWeight-BearingLiftingDiskectomyOsteoporosisSpondylolisthesisPenisDental InstrumentsCadaverSilver StainingPhosphatidylcholinesMembranes, ArtificialFemur NeckPhotographyHyperopiaTouchSpondylitis