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[Effect of antidromic and paired orthodromic stimulations on deafferented spinal cord motoneurons]. / Vliianie antidromnykh i parnykh ortodromnykh razdrazhenii na deafferentirovannye motoneirony spinnogo mozga.

Makii, E A; Siabro, P I.

Fiziol Zh (1978) ; 30(2): 140-5, 1984.

Article in Russian | MEDLINE | ID: mdl-6724019

Subject(s)

Motor Neurons/physiology , Neurons, Afferent/physiology , Spinal Cord/physiology , Animals , Electric Stimulation , Evoked Potentials , Rats

[Electric responses of anterior roots during stimulation of bulbar pyramids and the labyrinth in animals with a denervated limb]. / Elektricheskie otvety perednykh koreshkov pri stimuliatsii bul'barnykh piramid i labirinta u zhivotnykh s denervirovannoi konechnost'iu.

Serdiuchenko, I Ia; Siabro, P I; Makii, E A.

Fiziol Zh (1978) ; 29(6): 679-83, 1983.

Article in Russian | MEDLINE | ID: mdl-6653810

Subject(s)

Ear, Inner/physiology , Extremities/innervation , Medulla Oblongata/physiology , Pyramidal Tracts/physiology , Spinal Nerve Roots/physiology , Animals , Denervation , Electric Stimulation , Rats , Rats, Inbred Strains

[Analysis of mechanisms regulating the heart in extreme situations]. / Analiz mekhanizmov reguliatsii deiatel'nosti serdtsa v ékstremal'nykh usloviiakh.

Siabro, P I; Dmitrienko, A M; Andriutsa, A G.

Fiziol Zh SSSR Im I M Sechenova ; 64(7): 965-72, 1978 Jul.

Article in Russian | MEDLINE | ID: mdl-680289

ABSTRACT

Parasympathetic influences on functional and structural condition of myocardium in the process of stress modelling and adrenaline action on the background of the blockade of M-cholinoreceptors, was studied in 124 white rats. The stress was caused by means of severe exteroceptive stimulation or immobilization. Adrenaline and stress conditions caused impairment of automatism, change of conduct rate in the heart muscle and of force of excitement, anisotropia of muscle fibers, and penetration into the heart muscle cells of fluorescine. The effects were accelerated by diminishing of parasympathetic influences. The immobilization stress increased parasympathetic cardiac reflexes.

Subject(s)

Heart/physiopathology , Stress, Physiological/physiopathology , Ammonia , Animals , Cell Membrane Permeability , Electrocardiography , Female , Fluoresceins/metabolism , Heart/innervation , Histocytochemistry , Male , Myocardium/metabolism , Myocardium/pathology , Parasympathetic Nervous System/physiopathology , Rats , Receptors, Muscarinic/physiopathology , Restraint, Physical , Stress, Physiological/metabolism , Stress, Physiological/pathology

[Study of the specificity of the chemical method of acetylcholine determination]. / Izuchemie spetsifichnosti khimicheskogo metoda opredeleniia atsetilkholina.

Siabro, P I; Litvinenko, V I; Smirnov, B A; Tkachenko, E V.

Lab Delo ; (5): 296-8, 1978.

Article in Russian | MEDLINE | ID: mdl-79017

Subject(s)

Acetylcholine/blood , Animals , Cholinesterase Inhibitors , Cholinesterases/blood , Dogs , Ephedrine , Epinephrine , Methods

[Absorption and the resorptive toxic factors of some chemical compounds in skin lesions by aggressive substances]. / Vsasyvanie i rezorbtivno-toksicheskie faktory nekotorykh khimicheskikh soedinenii pri porazhenii kozhi agressivnymi veshchestvami

Siabro, P I; Riabov, I S.

Zh Eksp Klin Med ; 16(5): 65-9, 1976.

Article in Russian | MEDLINE | ID: mdl-1023710

Subject(s)

Skin Absorption/drug effects , Skin/drug effects , Animals , Burns, Chemical/metabolism , Cats , Chlorides/metabolism , Dogs , Hydrochloric Acid/toxicity , Hydroxides/toxicity , Mice , Nitrates/metabolism , Nitrates/toxicity , Nitrogen Oxides/toxicity , Potassium/metabolism , Rabbits , Rats , Sodium/metabolism , Sulfates/metabolism , Sulfuric Acids/toxicity , Time Factors

[A method of permanent electrode implantation into the medulla oblongata]. / Metodika vzivleniia élektrodov v prodolgovatyi mozg sobak.

Siabro, P I.

Fiziol Zh SSSR Im I M Sechenova ; 54(9): 1127-8, 1968 Sep.

Article in Russian | MEDLINE | ID: mdl-5729382

Subject(s)

Electroencephalography , Medulla Oblongata/physiology , Animals , Dogs , Electrodes , Methods

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