| 期刊全稱(chēng) | Adaptation to Altitude-Hypoxia in Vertebrates | | 影響因子2023 | Pierre Bouverot | | 視頻video | http://file.papertrans.cn/145/144537/144537.mp4 | | 學(xué)科分類(lèi) | Zoophysiology | | 圖書(shū)封面 |  | | 影響因子 | Adaptation to altitude hypoxia is characterized by a variety offunctional changes which collectively facilitate oxygen trans- port from the ambient medium to the cells of the body. All of these changes can be seen at one time or another in the course of hypoxic exposure. Yet, as already stressed (Hannon and Vogel, 1977), an examination of the literature gives only a sketchy and often conflicting picture of the exact nature of these changes and how they interact as a function of exposure duration. This is partly because of the limited number of variables explored in a given study, but it is also attributable to differences in experimental design, differences among species in susceptibility to hypoxia, nonstandardized experimental conditions, lack of proper control of physical (e. g. , temperature) and physiological variables (e. g. , body mass), failure to take measurements at key periods of exposure, and gaps in knowledge about some fundamental mechanisms. Furthermore the available data on animals native to high altitude are meager and/or inconclusive. Extensive further work under well-controlled experimental conditions is required before a detailed picture can be made. Nevertheles | | Pindex | Book 1985 |
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