THE DRP EVOKED BY MUSCLE SPINDLE AFFERENTS AND ITS EFFECTS ON THE DRP VRP EVOKED BY STIMULATING N. PERONAEUS
- VernacularTitle:肌梭传入诱发的DRP及对刺激腓神经诱发的DRP、VRP的影响
- Author:
Guangbin LIU
- Publication Type:Journal Article
- Keywords:
muscle spindle;
dorsal root potential;
ventral root potential;
presynaptic inhibition;
acupuncture anaesthesia
- From:
Journal of Xi'an Jiaotong University(Medical Sciences)
1981;0(03):-
- CountryChina
- Language:Chinese
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Abstract:
Using the bullforg and toad in experi ments, and making the dorsal root potential (DRP) and ventral rool potential (VRP) as the indexes of the presynaptic inhibition, we examined and analysed the central effects produced by the spindle a fferents during stretching muscle. The results indicat that, aftet muscle paralysis, the phase DRP recorded on dorsal root simultanesously with stretching M. Semitendinosus is produced by spindle afferents, so it is named spindle-DRP'. The characteristic of the spindle-DRP has been discussed in detail. Meanwhile it was found that continual spindle afferents could increase the DRP evoked by electro-stimulating N. peronaeus, can decrease the nerve VRP evoked in this way. These results suggest that the spindle afferents are involved in the acupuncture anaesthesia, perhaps through the presynaptic inhibition. This result may be a new data for the research of the theory of presynaptic inhibition and the principle of acupuncture anaesthesia.
