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  • Title: [Possible participation of nonimpulse factors in the increased excitability of partially deafferentated motor neurons].
    Author: Makiĭ EA, Mantulo PM.
    Journal: Nauchnye Doki Vyss Shkoly Biol Nauki; 1984; (2):62-7. PubMed ID: 6713025.
    Abstract:
    The dynamics of strengthening of monosynaptic segmental response (MSR) in white rats has been studied after bilateral sciatic nerves cuts nearer to the spinal cord (high cut) and farther from it (low cut). 24 hours after the operation the irritation of the posterior root on the side of the high cut stimulates anterior root MSR of authentically larger amplitude than on the side of the low cut and much greater than in intact animals. 48 h, 72 h and 120 h after the operation MSR amplitude on both sides is considerably increased in comparison with the intact animals amplitude but authentically does not differ on the side of the low and high cuts. A connection may be suggested between the excitability increase process of partially deafferented motoneurons with the disturbance of axoplasmatic flow in central sections of the cut afferent fibres.
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