| 释义 |
anoxia Path.|æˈnɒksɪə|
[mod.L., f. Gr. ἀν- (an- 10) + oxygen + -ia1.]
Deficiency of oxygen in the tissues (see quot. 1931).
1931Peters & van Slyke Quant. Clin. Chem. I. 577 Anoxia literally means oxygen lack. We shall use the term to cover any condition which retards oxidation processes in the tissues... The less specific word anoxia seems preferable as a general term to cover the condition defined, ‘anoxemia’ being limited to..oxygen deficit in the blood. 1939Nature 15 Apr. 619/2 ‘Pressor episodes’, that is to say, a narrowing of the small vessels with resulting deprivation of oxygen (anoxia or anoxæmia). 1957New Scientist 20 June 16/1 In the thin upper atmosphere, lack of oxygen may result in a progressively intoxicated state... Anoxia, the aviator's most insidious and lethal enemy, is perhaps the most difficult to detect and counter.
Hence aˈnoxic a., characterized by or causing anoxia.
1920J. Barcroft in Lancet 4 Sept. 487/1 The anoxic type of anoxæmia is the most serious. 1925― Resp. Function Blood (ed. 2) i. xii. 155 The same amount of exercise considerably reduces the oxygen content of the arterial blood in an animal which is already anoxic. 1955Sci. Amer. Dec. 60/3 But equally we do not ignore the well-acclimated man accustomed to the low pressure of the mountain heights, who surely represents the maximum of adaptation to anoxic conditions. |