OxygenHypoxia-Inducible Factor 1, alpha SubunitAnoxiaCell HypoxiaOxygen ConsumptionIon-Selective ElectrodesConfined SpacesReactive Oxygen SpeciesPartial PressureHyperoxiaAnaerobiosisMagnetic Resonance ImagingAerobiosisAtmosphereHypoxia-Inducible Factor 1Carbon DioxideEtanidazoleProcollagen-Proline DioxygenaseAdaptation, PhysiologicalOxygen Inhalation TherapySinglet OxygenBrainBrain MappingOxidation-ReductionGillsImage Processing, Computer-AssistedOceans and SeasWoodModels, BiologicalOxidative StressCerebrovascular CirculationMicroelectrodesMitochondriaRetinal VesselsBasic Helix-Loop-Helix Transcription FactorsHemoglobinsCells, CulturedTime FactorsEnergy MetabolismOxygen IsotopesRespirationMicrocirculationRestCell SurvivalCell Culture TechniquesRats, Sprague-DawleyGene Expression Regulation, BacterialHydrogen-Ion ConcentrationBiological EvolutionSignal TransductionBacterial ProteinsRetinaLightHyperbaric OxygenationImage Interpretation, Computer-AssistedTemperatureNitric OxideRNA, MessengerCell Line, TumorGene Expression RegulationVascular Endothelial Growth Factor ANeovascularization, PhysiologicMolecular Sequence DataHydrogen PeroxideCulture MediaTranscription FactorsOximetryMutationCell ProliferationImmunohistochemistryCell DifferentiationAntioxidants