Влияние делабиринтации на динамику экстензорных и флексорных моносинаитических рефлекторных разрядов, о бу с лов ленную активацией кожных и тонких мышечных афферентов, в условиях внутривенного введения пикротоксина
Effect of labyrinth ectomy on the dynamics of extensor and flexor monosynaptic reflex discharges driven by activation of cutaneous and thin muscle afferents in response to intravenous injection of picrotoxin

Summary/Abstract: It was found that at intensity of conditioning irritation of 5-15 thresholds of thin muscle nerve flexor digitorum longus cutaneous nerve suralisthe dynamics of changing of testing monosynaptic reflex discharges (МSRD) began with their reinforcement by 3-5 msvaried by breaking which reached the peak value at 1540 ms. The latter was accompanied by gradual restoration of MSRD completed at 100 ms. Injection of picrotoxin led to fading of MSRD braking. Labyrinthectomy was accompanied by increase in this fading. Probably, the action of afferent systemsoftheflexorreflex onto segmental neural apparatus is under control of the vestibular apparatus.It was found that at intensity of conditioning irritation of 5-15 thresholds of thin muscle nerve flexor digitorum longus or cutaneous nerve suralisthe dynamics of changing of testing monosynaptic reflex discharges (МSRD) began with their reinforcement by 3-5 msvaried by breaking which reached the peak value at 1540 ms. The latter was accompanied by gradual restoration of MSRD completed at 100 ms. Injection of picrotoxin led to fading of MSRD braking. Labyrinthectomy was accompanied by increase in this fading. Probably, the action of afferent systems of the flexor reflex onto segmental neural apparatus is under controlof the vestibular apparatus.

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