Parathyroid HormoneParathyroid GlandsReceptor, Parathyroid Hormone, Type 1Parathyroid NeoplasmsReceptors, Parathyroid HormoneParathyroid Hormone-Related ProteinHyperparathyroidismParathyroid DiseasesTeriparatideReceptor, Parathyroid Hormone, Type 2ParathyroidectomyHyperparathyroidism, SecondaryHypercalcemiaHypocalcemiaHypoparathyroidismHormonesCalciumPhosphorusReceptors, Calcium-SensingPhosphatesHyperparathyroidism, PrimaryBone and BonesCalcitriolVitamin DCalcitoninPseudohypoparathyroidismAdenomaThyroid HormonesOsteoblastsFollicle Stimulating HormoneUremiaBone ResorptionBone DensityBone RemodelingLuteinizing HormoneVitamin D DeficiencyCalcifediolCyclic AMPRenal OsteodystrophyThyroidectomyKidney Failure, ChronicOsteocalcinAlkaline PhosphataseErgocalciferolsHydroxycholecalciferolsRenal DialysisDihydroxycholecalciferolsCalcium, DietaryGonadal Steroid HormonesPeptide FragmentsGonadotropin-Releasing HormoneOpossumsHypophosphatemiaPhosphorus, DietaryKidneyCholecalciferolCalcium CarbonateTime FactorsHuman Growth HormoneHyperplasiaCalcium GluconateRadioimmunoassayBone Diseases, MetabolicOsteoporosisTechnetium Tc 99m SestamibiRNA, MessengerReceptors, Thyroid HormoneNaphthalenesSodium-Phosphate Cotransporter ProteinsAdrenocorticotropic HormoneOsteogenesisHyperphosphatemiaSodium-Phosphate Cotransporter Proteins, Type IIaBiological MarkersBone DiseasesMineralsMagnesium DeficiencyAdenylate CyclaseCattleBone DevelopmentCalcimimetic AgentsPituitary Hormones25-Hydroxyvitamin D 2Immunoradiometric AssayKidney CortexPeptide HormonesProteins25-Hydroxyvitamin D3 1-alpha-HydroxylaseOsteoclastsCells, CulturedHormone Replacement TherapyFemurReceptors, CalcitriolAlendronateAnabolic AgentsDose-Response Relationship, DrugOsteocytesCell LineBone Density Conservation AgentsFibroblast Growth Factors