SynapsesNeuropilSynaptophysinDendritesHippocampusNeuronsNerve Tissue ProteinsNeuronal PlasticityGuanylate KinaseNucleoside-Phosphate KinaseBone DensityPost and Core TechniqueSynaptic PotentialsIntracellular Signaling Peptides and ProteinsMembrane ProteinsPopulation DensityAdaptor Proteins, Signal TransducingCarrier ProteinsCOS CellsCentrifugation, Density GradientReceptors, N-Methyl-D-AspartateCells, CulturedMolecular Sequence DataCercopithecus aethiopsAmino Acid SequenceLipoproteins, LDLTime FactorsCell CountLipoproteins, HDLTooth, NonvitalAbsorptiometry, PhotonLipoproteins, VLDLPost-Synaptic DensityReceptors, LDLCholesterolOsteoporosisMicroscopy, ElectronLipoproteinsDental Prosthesis DesignApolipoproteinsDensitometryTooth 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, AnimalLipids