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  • Title: [Stimulation of physiological functions in cooled rats without rewarming after introducing ethylenediaminetetraacetate into lateral ventricles of the brain].
    Author: Ivanov KP, Arokina NK, Potekhina IL.
    Journal: Ross Fiziol Zh Im I M Sechenova; 2005 Mar; 91(3):286-92. PubMed ID: 15881880.
    Abstract:
    On cooling the animals to the rectum temperature from approximately 37 to 24-28 degrees C the decreases were shown to occur in the frequency and amplitude of respiration motions, in the intensity of muscle electrical activity (thermoregulation muscle tone and cold muscle shivering), in the frequency of heart contractions. In 3-8 min after introducing ethylenediaminetetraacetate into a lateral ventricle of the rat brain the frequency and the amplitude of respiration motions increased statistically reliable and so did the intensity of thermoregulation muscle tone and cold muscle shivering (judging from the total muscle electrical activity). The doses of EDTA, which caused this effect, were by a factor of 30 - 100 less than the doses, which caused a similar stimulation of the functions in cooled animals after introduction into the blood.
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