Natural hypometabolism during hibernation and daily torpor in mammals.

  title={Natural hypometabolism during hibernation and daily torpor in mammals.},
  author={Gerhard Heldmaier and Sylvia Ortmann and Ralf Elvert},
  journal={Respiratory physiology & neurobiology},
  volume={141 3},
Daily torpor and hibernation are the most powerful measures of endotherms to reduce their energy expenditure. During entrance into these torpid states metabolic rate is suppressed to a fraction of euthermic metabolism, paralleled by reductions in ventilation and heart rate. Body temperature gradually decreases towards the level of ambient temperature. In deep torpor body temperature as well as metabolic rate are controlled at a hypothermic and hypometabolic level. Torpid states are terminated… CONTINUE READING
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