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Hypoxia

Definition

noun

A condition in which there is oxygen deficiency in a habitat or a body part.


Supplement

In a body part, hypoxia results when the oxygen is below physiological levels in spite of adequate blood perfusion. For instance, the brain receiving inadequate amounts of oxygen causes a cascade of events that may eventually harm the cells and tissues of brain.


Related forms: hypoxic (adjective).

Compare: hyperoxia, hypoxemia
See also: anoxia

Related terms:


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Re: Is voluntary death from breath-holding possible?

... decreased CO2 levels due to hyperventilation will delay the impulse levels but because CO2 is linked directly to O2 usage, they will not die of hypoxia before their CO2 levels reach impulse level. Good thought though.

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by daniel.kurz
Thu Oct 24, 2013 7:31 pm
 
Forum: Human Biology
Topic: Is voluntary death from breath-holding possible?
Replies: 1
Views: 995

Is voluntary death from breath-holding possible?

... , so as to reduce the CO2 level in the blood. This results in a delay of the impulse the breathe, and so a person may pass out from hypoxia before feeling an urge to gasp. Once unconscious, does the following muscular relaxation result in respiritory arrest (and hence death from ...

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by Coelacanth
Tue Oct 15, 2013 8:25 am
 
Forum: Human Biology
Topic: Is voluntary death from breath-holding possible?
Replies: 1
Views: 995

Amyloid beta (A4) precursor protein degradation products

... activity and the promotion of tau protein aggregation in the mitochondria progressive aggregation inhibition of the respiratory chain enzyme Erzhi hypoxia, caused by calcium metabolic disorders and inhibition of long duration action potential, leading to memory and cognitive dysfunction. This shows ...

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by Anonymous
Tue Jun 12, 2012 3:11 am
 
Forum: General Discussion
Topic: Amyloid beta (A4) precursor protein degradation products
Replies: 1
Views: 6599

Re: hypoxia with CoCl2

From http://toxsci.oxfordjournals.org/content/82/2/638.full: "Cobalt has been widely used in the treatment of anemia and as a hypoxia mimic in cell culture and it is known to activate hypoxic signaling by stabilizing the hypoxia inducible transcription factor 1α (HIF1α)."

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by aptitude
Mon Oct 10, 2011 3:35 am
 
Forum: General Discussion
Topic: hypoxia with CoCl2
Replies: 2
Views: 3676

Re: Potential relationship between non-enzymatic antioxidants

... our C-Chambers to do this exact research right now. Feel free to follow the below link and ask a question to receive application notes on our Hypoxia Chamber http://www.biospherix.com/cell-culture-equipment/hypoxia-chamber-c-chamber.html . This is a little old but it's worth ...

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by Hypoxia
Fri Sep 23, 2011 7:53 pm
 
Forum: Cell Biology
Topic: Potential relationship between non-enzymatic antioxidants
Replies: 2
Views: 9236
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