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The term anoxia means a total depletion in the level of oxygen, an extreme form of hypoxia or "low oxygen". The terms anoxia and hypoxia are used in various contexts: * Anoxic waters, sea water, fresh water or groundwater that are depleted of dissolved oxygen * Anoxic event, when the Earth's oceans become completely depleted of oxygen below the surface levels * Euxinic, anoxic conditions in the presence of hydrogen sulfide * Hypoxia (environmental), low oxygen conditions * Hypoxia (medical), when the body or a region of the body is deprived of adequate oxygen supply * * Cerebral anoxia, when the brain is completely deprived of oxygen, an extreme form of cerebral hypoxia == See also == * ''Anoxia'' (beetle), a genus of scarab beetles * Oxygen saturation, a relative measure of the oxygen dissolved or carried in a medium; a measure of the severity of hypoxic conditions * Oxygen toxicity (hyperoxia), the opposite condition of hypoxia, an excess of oxygen in body tissues * Oxygen-free (disambiguation) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anoxia」の詳細全文を読む スポンサード リンク
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