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Effects of gradual bone lengthening on the rabbit tibial nerve

In English

Författare

Summary, in English

Little is known about the effect of gradual bone lengthening on peripheral nerves. In the present study, an external fixation device was applied to the rabbit tibia, which was then divided. After seven days, the tibia was subjected to 0.7 mm/day callus distraction for periods of up to one month. The tibial nerve was fixed in glutaraldehyde and plastic sections were cut in longitudinal and transverse planes for light and electron microscopy. Light microscopy showed a 64% increase in the gap length at the node of Ranvier in myelinated axons from the experimental side compared with the control side. The cross-sectional area of the non-myelinated axons was not altered significantly. We conclude that gradual stretching of the nerve elongates the nerve fibres at least at the region of the nodes, perhaps a point of least resistance. Diameters of fibres seem to be held more constant during the lengthening procedure.

Avdelning/ar

Publiceringsår

2001

Språk

Engelska

Sidor

361-368

Publikation/Tidskrift/Serie

Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery

Volym

35

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

Taylor & Francis

Ämne

  • Neurosciences
  • Surgery

Nyckelord

  • Bone
  • Lengthening
  • Rabbit
  • Tibia
  • Tibial
  • Nerve
  • Node
  • Of
  • Ranvier

Status

Published

Forskningsgrupp

  • Hand Surgery, Malmö
  • Neural Interfaces

ISBN/ISSN/Övrigt

  • ISSN: 1651-2073