PHEX Phosphate Regulating Neutral EndopeptidaseFamilial Hypophosphatemic RicketsHypophosphatemiaGenetic Diseases, X-LinkedOsteomalaciaHypophosphatemia, FamilialRicketsCalcification, PhysiologicOsteocytesFibroblast Growth FactorsPhosphatesBone Demineralization, PathologicExtracellular Matrix ProteinsEndolymphatic HydropsOsteoblastsProteinsBone and BonesEvoked Potentials, Auditory, Brain StemSpermine SynthaseHistological TechniquesBody Weights and MeasuresFemurPhosphorus, DietarySkullParathyroid Glands