The present study has determined the changes in the binding properties of the node of Ranvier during demyelination and remyelination in the perineurial window. The location of copper ion binding, visualized as a dense copper ferrocyanide precipitate, was studied in teased fibres from 60 rat ...
The architecture of nodes of Ranvier in the spinal nerve roots of the rabbit has been examined. It has been shown that the nodes of large diameter fibres (mean 12 m) are structurally different from those of small diameter fibres (mean 3 ... CS Raine - 《Journal of Neurocytology》 被引...
The generation of these specialized subcellular structures is essential for the efficient and rapid propagation of action potential via saltatory conduction. Several distinct subdomains could be found in the axonal membrane, the nodes of Ranvier, the paranodes, and the juxtaparanodes. The nodes of ...
What are the three functions of the myelin sheath? -To allow for fast an efficient transmission of messages down the axon -To protect the axon from outside free ions which may cause premature depolarization -To protect the axon from outside electrical impulses which may cause premature depola...
The whole nerve trunk was stimulated using a gross electrode that was slowly moved for several centimetres along the length of the nerve. The threshold for initiation of an action potential showed periodic minima which were interpreted as the location of nodes of Ranvier. 2. Internodal distances ...