SynapsesNeuropilSynaptophysinDendritesHippocampusNeuronsNeuronal PlasticityNerve Tissue ProteinsBone DensityPost and Core TechniquePopulation DensityCentrifugation, Density GradientLipoproteins, LDLTime FactorsCell CountLipoproteins, HDLTooth, NonvitalAbsorptiometry, PhotonLipoproteins, VLDLPost-Synaptic DensityReceptors, LDLCholesterolOsteoporosisMicroscopy, ElectronLipoproteinsDental Prosthesis DesignApolipoproteinsDensitometryCells, CulturedTooth FracturesGlassKineticsMammographyFemur NeckLow Density Lipoprotein Receptor-Related Protein-1Analysis of VarianceMaterials TestingImmunohistochemistryCholesterol EstersModels, BiologicalBone Density Conservation AgentsRats, Sprague-DawleyApolipoprotein A-IBone and BonesTriglyceridesDental Stress AnalysisDental MaterialsDental Prosthesis RetentionLumbar VertebraeOsteoporosis, PostmenopausalBone Diseases, MetabolicRabbitsDendritic SpinesLiverFemurUltracentrifugationRoot Canal TherapyDisease Models, AnimalLipidsSurface PropertiesCell LineCattleCell MembraneTreatment OutcomeNeovascularization, PathologicCapillaries