Sentences with phrase «squirrel during hibernation»
Recently, researchers led by John Hallenbeck, M.D., an NINDS senior investigator and co-senior author of the study, found that a cellular process called SUMOylation goes into overdrive in a certain species of ground squirrel during hibernation.
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Brian Barnes of the University of Alaska in Fairbanks and his colleagues wanted to test whether this was the case for the Arctic ground squirrel — famous for its ability to lower its body temperature to -3 °C during hibernation by supercooling its blood.
While the animals» brains experience dramatically reduced blood flow during hibernation, just like human patients after a certain type of stroke, the squirrels emerge from their extended naps suffering no ill effects.
The squirrel - like mammals can lose up to 40 percent of their body mass during hibernation, and longer summers are giving them more time to eat and store fat, helping them live through the winter and reproduce the following year.
Thirteen - lined ground squirrels (Ictidomys tridecemlineatus) show microstructural bone loss during hibernation but preserve bone macrostructural geometry and strength