Abstract
The original concepts of functional neuro-anatomy of the human spinal cord are reviewed with particular reference to the lateral spine thalamic tract as the Pain Pathway. Evidence is presented from human experiences wherein sectioning of great portions isolated and combined of so-called pain pathways has not permanently abolished human pain. Data is presented indicating the preservation of many intrinsic multi-synaptic systems in anatomically isolated segments of the spinal cord. The suggestion is made that the anatomical organization of the spinal cord resembles that of a “Net” of multi-synaptic points of convergence and divergence. This permits preservation of transmission through the net, even with large segments of the net obi iterated. The conclusions drawn are that:
There is no single pathway for transmission of pain. It is transmitted through the nervous system. Hope for therapy revolves around understanding of electrical chemical phenomena and their appropriate modifications.
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