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'Hypoxia' literally means "deficient in oxygen." It can refer to:

★ Hypoxia (medical), a shortage of oxygen in the body. ''Hypoxaemia'' is the reduction of oxygen specifically in the blood; ''anoxia'' is when there is no oxygen available at all.

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★ Environmental hypoxia, a condition in high altitudes such as mountains where the reduced partial pressure of oxygen available leads to hypoxia.

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★ Ischemia, a restriction in blood supply (and therefore oxygen supply) to an organ or section of the body, generally due to constriction or blocking of blood vessels.

★ Hypoxia (environmental) or oxygen depletion, a reduced concentration of dissolved oxygen in a water body leading to stress and death in aquatic organisms.

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★ Dead zone (ecology), or hypoxic zones, hypoxic areas in the world's oceans.

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★ Anoxic sea water, a condition of abnormally low levels of oxygen in the sea.

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★ Oxygen minimum zone, the depth in the sea at which the dissolved oxygen level is lowest, or most hypoxic.

★ Hypoxia, a song on the album Spheres 2 by Delerium

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See also

See also

★ 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.

★ Time of Useful Consciousness, a measure of how quickly hypoxia renders a person incapable of normal thought.