Fractures, BoneFracture HealingHip FracturesFemoral FracturesCell DifferentiationSpinal FracturesFracture Fixation, InternalFractures, ComminutedFracture FixationOsteoporotic FracturesRadius FracturesFractures, SpontaneousFractures, StressFemoral Neck FracturesUlna FracturesFracture Fixation, IntramedullaryRib FracturesSkull FracturesMandibular FracturesTooth FracturesFractures, CompressionIntra-Articular FracturesOsteoporosisBone PlatesBone NailsOrbital FracturesColles' FractureCells, CulturedBony CallusStem CellsBone DensityPeriprosthetic FracturesBone ScrewsGene Expression Regulation, DevelopmentalTranscription FactorsWrist InjuriesSignal TransductionSex DifferentiationCasts, SurgicalCell LineBone WiresEmbryonic Stem CellsCell LineageMaxillary FracturesExternal FixatorsZygomatic FracturesRNA, MessengerCell DivisionGene Expression RegulationOsteogenesisCell ProliferationOsteoporosis, PostmenopausalAccidental FallsTime FactorsBone Density Conservation AgentsTretinoinForearm InjuriesOsteoblastsThoracic VertebraeClavicleTreatment OutcomeMolecular Sequence DataPelvic BonesRetrospective StudiesDNA-Binding ProteinsAnkle InjuriesMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionCalcaneusMesenchymal Stromal CellsAntigens, DifferentiationLumbar VertebraePhenotypeMultiple TraumaHomeodomain ProteinsBase SequenceDiaphysesFibulaImmunohistochemistryTractionAdipogenesisMice, KnockoutDislocationsGene ExpressionMice, TransgenicBone and BonesFemurRange of Motion, ArticularCarpal BonesInternal FixatorsFollow-Up StudiesMyoblastsOdontoid ProcessNeuronsTranscription, GeneticVertebroplastyBone Marrow CellsCell Culture TechniquesDiphosphonatesMuscle Development