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Adaptation to Altitude-Hypoxia in Vertebrates (Paperback, Softcover reprint of the original 1st ed. 1985)
Loot Price: R2,768
Discovery Miles 27 680
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Adaptation to Altitude-Hypoxia in Vertebrates (Paperback, Softcover reprint of the original 1st ed. 1985)
Series: Zoophysiology, 16
Expected to ship within 10 - 15 working days
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Total price: R2,788
Discovery Miles: 27 880
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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. Nevertheless, it has been a guiding
principle in the prepara tion of this monograph rather to summarize
the vastly dis persed material that constitutes the comparative
physiology of adaptation to high altitude into a coherent picture,
than to provide a comprehensive survey of the field.
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