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Anoxia information


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

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Anoxia

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Look up anoxia, anoxic, or anoxically in Wiktionary, the free dictionary. Anoxia means a total depletion in the level of oxygen, an extreme form of hypoxia...

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Late Ordovician mass extinction

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a pulse of anoxia into shelf environments amidst already low background oxygen levels. Others, however, have argued that Rhuddanian anoxia was simply...

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Anoxic event

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oceanologist and atmospheric scientist Andrew Watson says full-scale ocean anoxia would take "thousands of years to develop." The idea that modern climate...

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Cerebral hypoxia

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when the brain is completely deprived of oxygen, it is called cerebral anoxia. There are four categories of cerebral hypoxia; they are, in order of increasing...

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Histotoxic hypoxia

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Histotoxic hypoxia (also called histoxic hypoxia) is the inability of cells to take up or use oxygen from the bloodstream, despite physiologically normal...

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Late Devonian extinction

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are unclear. Leading hypotheses include changes in sea level and ocean anoxia, possibly triggered by global cooling or oceanic volcanism. The impact of...

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Anoxia matutinalis

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Anoxia matutinalis is a species of dung beetle in the family Scarabaeidae. Anoxia matutinalis matutinalis Castelnau, 1823 Anoxia matutinalis sardoa Motschulsky...

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Euxinia

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sedimentary pyrite and the discovery of evidence of the first sulfate evaporites. Anoxia and sulfidic conditions often occur together. In anoxic conditions anaerobic...

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Beetle

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larvae are able to survive a prolonged period, up to 6 days, of anoxia during floods. Anoxia tolerance in the larvae may have been sustained by switching...

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Painted turtle

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can survive 50 days of anoxia. One reason for the difference in duration between more anoxia-tolerant species and less anoxia-tolerant species is the...

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Jurassic

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marked by the Toarcian Oceanic Anoxic Event, a global episode of oceanic anoxia, ocean acidification, and elevated global temperatures associated with extinctions...

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List of extinction events

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Palaeoclimatology, Palaeoecology. Mass Extinction Causality: Records of Anoxia, Acidification, and Global Warming during Earth's Greatest Crises. 478:...

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Fishing bait

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Eutrophication can cause algal blooms, which causes anoxia that are harmful to aquatic life....

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Extinction event

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causes of the mass extinction were global warming, related to volcanism, and anoxia, and not, as considered earlier, cooling and glaciation. However, this is...

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Water pollution

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products. Another is stressful conditions such as changes of pH, hypoxia or anoxia, increased temperatures, excessive turbidity, or changes of salinity). The...

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Inhalational anesthetic

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work through anoxia, but in the early 1900, increased CO2 in the lung showed a dramatic increase oxygenation of the brain disproving the anoxia argument....

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Suicide by hanging

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and cut down, can face a range of serious injuries, including cerebral anoxia (which can lead to permanent brain damage), laryngeal fracture, cervical...

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Western Interior Seaway anoxia

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identified as Oceanic Anoxic Events I, II, and III respectively. The episodes of anoxia came about at times when very high sea levels coincided with the nearby...

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Carboniferous

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caused by the increased burial of organic matter and widespread ocean anoxia led to climate cooling and glaciation across the south polar region. During...

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Permian

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sulfide to the surface ocean and atmosphere during intervals of oceanic anoxia". Geology. 33 (May): 397–400. Bibcode:2005Geo....33..397K. doi:10.1130/G21295...

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Hangenberg event

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Hangenberg mass extinction event, widespread organic-rich mudrock and anoxia: causes and consequences". Palaeogeography, Palaeoclimatology, Palaeoecology...

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Cambrian explosion

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extinctions. The late Ediacaran oceans appears to have suffered from an anoxia that covered much of the seafloor, which would have given mobile animals...

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Goldfish

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E. (2017). "Fagernes, C.E., Stensløkken, K., Røhr, Å.K. et al. Extreme anoxia tolerance in crucian carp and goldfish through neofunctionalization of duplicated...

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Apoptosis

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Neonatal cardiomyocytes ultrastructure after anoxia-reoxygenation...

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