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词汇 hypoxia
释义 hypoxia
noun[ U ]
 specializeduk /haɪˈpɒk.si.ə/ us /haɪˈpɑːk.si.ə/
medical
a condition in which there is not enough oxygen available to the blood and body tissues: 缺氧
Doctors are learning more about the threat that affects every airline passenger: hypoxia, the term for too little oxygen.
After major surgery hypoxia can occur for up to for 3 days, particularly at night.
biology, chemistry, environment
a situation in which there is not enougth oxygen in a place or environment:
His team studied fish in an estuary suffering hypoxia.
Hypoxia is an oxygen deficiency in water that threatens the survival of many species.
Related word
hypoxic
Compare
anoxia
Hypoxia contributes to resistance to some drugs and radiotherapy.
With generalized hypoxia, the entire body is suffering from inadequate oxygen.
Causes of death were cardiac failure, hypoxia and severe arrhythmias.
SMART Vocabulary: related words and phrases

Disorders & diseases of the heart & blood
acidosis
acquired agammaglobulinemia
adult-onset diabetes
afib
agammaglobulinemia
anaemic
apoplexy
clot-busting
coarctation of the aorta
congenital erythropoietic porphyria
congestive heart failure
coronary heart disease
decompression sickness
furred
MGUS
mini-stroke
mitral
monoclonal gammopathy of unknown significance
monocyte disorder
toxaemia

You can also find related words, phrases, and synonyms in the topics:


Biochemistry
Environmental issues

Examples of hypoxia


hypoxia
For example, pre-adaptation to cold may protect against subsequent exposure to ionizing radiation (positive acclimation), but may increase vulnerability to hypoxia (negative acclimation).
Although vasodilatation may improve peripheral blood flow, it may also cause shunting which can result in regional tissue hypoxia.
These results indicate that at least in the acute situation hypoxia alone does not generate the markers of oxidative stress that typify the preeclamptic placenta.
The cave's entrance became buried, and inadequate ventilation caused an episode of hypoxia and carbon monoxide poisoning.
Five infants had hypoxia <40 torr and 5 needed a continuous infusion of epinephrine >1 ng/kg/min.
Five infants had hypoxia <40 torr and 5 needed a continuous infusion of epinephrine >1 tig/kg/min.
Right ventricular dysfunction has been attributed either to persisting high right ventricular afterload or to chronic myocardial hypoxia prior to repair.
Factors that promote cellular dehydration, tissue hypoxia, and leukocyte or endothelial cell activation are all involved in generating vaso-occlusion.
Also, gas exchange is affected, with a reduced awareness of the response to hypoxia and hypercapnia as described later.
Relative hypoxia is a potent vasodilator in the coronary, cerebral, and adrenal beds, but a vasoconstrictor in the pulmonary bed.
In mammals, nitric oxide stimulates increased blood flow to areas where hypoxia occurs.
This exacerbates hypoxia, which can promote tumour angiogenesis by enhancing the production of proangiogenic factors.
End-stage hypoxia in this condition is manifest by a score of either 2/10 or 0/10.
In contrast, the effects of striatal injuries are evident in childhood, and the caudate is highly vulnerable to hypoxia and ischemia.
This process, in addition to sustained or episodic hypotension may induce cerebral hypoperfusion, ischaemia and hypoxia.
See all examples of hypoxia
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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