Ultrahigh Conduction Velocity Found in the Medial Giant Fibers of Penaeus chinensis and Penaeus japonicus

  • Ke Xu
  • Susumu Terakawa


Erlanger and Gasser (1937) established that thicker myelinated fibers have higher conduction velocity. Among these, the highest conduction velocity was usually described to be 120 m/s of A-type mammalian myelinated fibers in texts and common reference books of neurobiology.


Conduction Velocity Myelin Sheath Myelinated Fiber Ventral Nerve Cord Compound Action Potential 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


  1. Erlanger J, Gasser HS (1937) Electrical signs of nervous activity. University of Pennsylvania Press, PhiladelphiaGoogle Scholar
  2. Fan SF, Hsu K, Chen FS, Ho B (1961) On the high conduction velocity of the giant nerve fiber of shrimp Penaeus orientalis. Kexue Tongbao (Chin Sci Bull) 12:51–52Google Scholar
  3. Hodgkin AL (1964) The conduction of the nervous impulse. Liverpool University Press, LiverpoolGoogle Scholar
  4. Hsu K, Terakawa S (1996) Fenestration in the myelin sheath of nerve fibers of the shrimp: a novel node of excitation for saltatory conduction. J Neurobiol 30:397–409PubMedCrossRefGoogle Scholar
  5. Hursh JB (1939) Conduction velocity and diameter of nerve fibers. Am J Physiol 127:131–139Google Scholar
  6. Kusano K (1966) Electrical activity and structural correlates of giant nerve fibers in Kuruma shrimp (Penaeus japonicus). J Cell Physiol 68:361–384CrossRefGoogle Scholar
  7. Roots BI (1984) Evolutional aspects of the structure and function of the nodes of Ranvier. In: Zagoren JC, Fedoroff S (eds) the nodes of Ranvier. Academic Press, Orlando, pp 1–29CrossRefGoogle Scholar
  8. Terakawa S, Xu K (1987) Excitable node in the myelinated fibers of Penaeus shrimp. Ann Rep Natl Inst Physiol Sci 8:62–64 (in Japanese)Google Scholar
  9. Terakawa S, Hsu K (1991) Ionic currents of the nodal membrane underlying the fastest saltatory conduction in myelinated giant nerve fibers of the shrimp Penaeus japonicas. J Neurobiol 22:342–352PubMedCrossRefGoogle Scholar
  10. Xu K, Hsu K, Terakawa S (1999) Fenestration nodes and the wide submyelinic space form the basis for the unusually fast impulse conduction of shrimp myelinated axons. J Exp Biol 202:1979–1989PubMedGoogle Scholar

Copyright information

© Springer Japan 2013

Authors and Affiliations

  • Ke Xu
    • 1
  • Susumu Terakawa
    • 2
  1. 1.Shanghai Institute of Physiology Chinese Academy of SciencesShanghaiPeople’s Republic of China
  2. 2.Hamamatsu University School of MedicineMedical Photonics Research CenterHamamatsuJapan

Personalised recommendations