近年来

在国内外对针灸的原理及针麻机制的探讨都非常重视

不少学者都试图从各门学科——生理、生化、组织、神经解剖学等不同的角度

用现代科学的先进方法对这一古老的医学实践进行深入的研究和探索. 在针麻原理的探讨中

很多学者都采用了七十年代两种追踪神经联系的新方法——Grait et al suggested the transganglia degeneration based on Waller's degenerations in 1970s. This paper mainly deals with its history

present conditions

methods

virtues and defects

differentiating it from other degeneration

and points out some problems for further resolution. We consider that this method is suitable for us to study the afferent tracts of the primary sensory nerve fibers and will certainly give light to the research on mechanisms of acupuncture and acupuncture anesthesia.