GelatinBone and BonesBone DensityBone RemodelingGelatin Sponge, AbsorbableBone ResorptionBone MarrowBone NeoplasmsBone Marrow CellsBone DevelopmentBone DiseasesBone RegenerationBone MatrixBone Marrow TransplantationBone TransplantationBone SubstitutesBone Diseases, MetabolicFractures, BoneBone Morphogenetic Protein 2Bone Morphogenetic ProteinsMatrix Metalloproteinase 2OsteogenesisMatrix Metalloproteinase 9Temporal BoneGelatinasesParietal BoneFemurCapsulesOsteoblastsTibiaAlveolar Bone LossBone CementsBone CystsOsteoporosisPolygelineOsteoclastsCollagenCells, CulturedMetalloendopeptidasesPlasma SubstitutesHydroxyethyl Starch DerivativesMatrix Metalloproteinase InhibitorsTissue ScaffoldsMicrospheresCalcification, PhysiologicFrontal BoneHydrogelsTime FactorsBone Morphogenetic Protein 7X-Ray MicrotomographyBone Marrow DiseasesSkullAlkaline PhosphataseOsteocalcinCell DifferentiationBiocompatible MaterialsPorosityMatrix MetalloproteinasesFibronectinsLeg BonesMice, Inbred C57BLBone Marrow NeoplasmsBone Marrow ExaminationPelvic BonesCollagenasesAbsorptiometry, PhotonMetacarpal BonesRadiusBone Morphogenetic Protein 4Metatarsal BonesMolecular Sequence DataTarsal BonesOsteocytesCompressive StrengthDiphosphonatesTissue Inhibitor of Metalloproteinase-2Bone Demineralization TechniqueExtracellular MatrixFoot BonesIliumMicroscopy, Electron, Scanning