V. I. Belyaev

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The purpose of the investigation was to determine the effect of the combined antibacterial drug Fenitil on the integral indices of vital functions of animals. It was established on white mice and rats that the drug in various doses doesn’t have a negative effect on integral indices (behavior, compensatory adaptive capabilities, gastrointestinal(More)
The work of Cresci te l l i [11] has shown that a conduction block developing as a resul t of cocaine on the sciat ic nerve in the frog is intensified in the NaC1 concentration in the solution is low. These findings were subsequently confirmed by Condouris [10] in experiments on nerve trunks deprived of their per i neural membranes . This worker also showed(More)
Previous investigations have shown that identical changes take place in the electr ical activity of the isolated node of Ranvier when placed in procaine solution and in a medium with a low sodium concentration [1-3]. These changes consisted of depression of the action potential (AP) to a local response, and an increase in the cri t ical level of(More)
A. M. Gurvich, Electrical Activity of the Dying and Reviving Brain [in Russian], Leningrad (1966). M. B. Tsuker, Zh. Nevropat. Psikhiat., No. I0, 1441 (1974). A. K. Shubladze and T. M. Maevskaya, Herpes [in Russian], Moscow (1971). C. J. Breeden, T. C. Hall, et al., Ann. Intern. Med., 6_55, 1050 (1966). E. Fifkov~ and I. Marw in: J. Bure~ et al.,(More)
A solution of novocain in small concentrations (1·10−8 and 1·10−7) does not cause changes of action potential (AP) amplitude and threshold of depolarization (ΔV) in the node of Ranvier of isolated frog's nerve fiber. A novocain concentration of 5·10−5 causes a reduction of response amplitude and a rise of the depolarization threshold. Responses are graded,(More)
In order to study the influence of electrical stimulation of the phrenic nerve it is essential to have clinical electrical stimulators of respiration designed for patients with spinal cord injuries, diseases of the respiratory system, or postoperative complications. Experimental studies of the effect of direct electrical stimulation of the phrenic nerve(More)
A single node of Ranvier of the isolated nerve fiber in frogs becomes unable to generate action potentials as a result of t reatment with immune T-globulin isolated from the serum of a rabbit immunized with frog skeletal muscle tissue. After exhaustion of the serum with antigen the ~/-globulin caused vir tually no change in the amplitude of the action(More)
Studies of the audiospinal effect on the H-reflex demonstrated that in normal test subjects and in patients with injuries to the spinal cord coupled with parapareses and in part of patients with paraplegia of the lower limbs, there was a sound-induced 30-70% increase in the amplitude of the H-reflex. As the interval between the conditioning sound and(More)