Circulation and metabolic rates in a natural hibernator: an integrative physiological model
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چکیده
منابع مشابه
Circulation and metabolic rates in a natural hibernator: an integrative physiological model.
Small hibernating mammals show regular oscillations in their heart rate and body temperature throughout the winter. Long periods of torpor are abruptly interrupted by arousals with heart rates that rapidly increase from 5 beats/min to over 400 beats/min and body temperatures that increase by ∼30°C only to drop back into the hypothermic torpid state within hours. Surgically implanted transmitter...
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Hibernation as manifested in ground squirrels is arguably the most plastic and extreme of physiological phenotypes in mammals. Homeostasis is challenged by prolonged fasting accompanied by heterothermy, yet must be facilitated for survival. We performed LC and GC-MS metabolomic profiling of plasma samples taken reproducibly during seven natural stages of the hibernator's year, three in summer a...
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ژورنال
عنوان ژورنال: American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
سال: 2010
ISSN: 0363-6119,1522-1490
DOI: 10.1152/ajpregu.00273.2010