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Variations in the action of adrenalin on the cortical EEG of dogs with age

  • Physiology
  • Published:
Bulletin of Experimental Biology and Medicine Aims and scope

Summary

Data obtained on the absence of the adrenalin effect in puppies of, a young age (up to 18 days) confirm the conclusions of the immaturity of their ascending activating system drawn at our laboratory earlier from the results of several studies. Nonrepresentation of desynchronization in the first phase of adrenalin action at an early age is accounted for by the functional immaturity of the intermediate cholinergic link in the rostral part of the reticular formation of the brain stem. The absence of synchronization of the EEG in the second phase of the adrenalin action is associated with the immaturity of the function of the sinocarotid zone baroreceptors.

At the age of 18–20 days puppies develop a typical adult two-phase reaction under the action of adrenalin in connection with maturation of the functions of the ascending activating system, in particular the intermediate cholinergic link in its rostral part. At the same age, the function of the baroreceptors of the sinocarotid zone appears.

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Rozanova, V.D. Variations in the action of adrenalin on the cortical EEG of dogs with age. Bull Exp Biol Med 61, 480–483 (1966). https://doi.org/10.1007/BF01892432

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  • DOI: https://doi.org/10.1007/BF01892432

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