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Keywords: Interbout euthermia
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Journal Articles

Arousal from hibernation increases blood oxygen saturation in 13-lined ground squirrels

Open Access
Brynne M. Duffy, Catherine M. Ivy, James F. Staples
Journal: Journal of Experimental Biology
J Exp Biol (2025) 228 (8): jeb249830.
https://doi.org/10.1242/jeb.249830
Published: 28 April 2025
... . This tolerance is likely adaptive, protecting against damage during the numerous arousals from torpor throughout the hibernation season. O 2 availability is likely low during torpor, but suppressed metabolism lowers O 2 demand, potentially mitigating hypoxic stress. During arousal to interbout euthermia (IBE...
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Includes: Supplementary data
Journal Articles

An hourglass mechanism controls torpor bout length in hibernating garden dormice

Open Access
Thomas Ruf, Kristina Gasch, Gabrielle Stalder, Hanno Gerritsmann, Sylvain Giroud
Journal: Journal of Experimental Biology
J Exp Biol (2021) 224 (23): jeb243456.
https://doi.org/10.1242/jeb.243456
Published: 9 December 2021
... that torpor duration is determined by accumulation of a metabolic imbalance, which is cleared during periodic rewarming. Cycles Interbout euthermia Metabolic rate Periodic arousal Austrian Science Fund 27264 31577 Hibernation in mammals is characterized by a profound reduction...
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