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Observation of Motoneurons After Recovery from Experimental Facial Nerve Paralysis

  • K. Matsumoto
  • Y. Nakao
  • H. Kumagami
Conference paper

Abstract

In Bell’s palsy and in Ramsay Hunt’s syndrome, sequelae such as synkinesis, facial spasm, or contracture occur during recovery from facial nerve palsy. The mechanism of these sequelae has not yet been sufficiently clarified. The misdirection of regenerating nerve fibers at the site of injury may result in synkinesis. However, other possible mechanisms of synkinesis, including rearrangement of synaptic vesicles in the facial nucleus, have been suggested [1]. In the present study, the alteration of motoneurons in the brainstem after recovery from experimental facial nerve paralysis was examined by the retrograde horseradish peroxidase (HRP) technique in rabbits.

Keywords

Facial Nerve Masseter Muscle Label Neuron Facial Nucleus Retrograde Tracer 
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.

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References

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    Fort P, Sakai K, Luppi PH, Salvert D, Jouvet M (1989) Monominergic, peptidergic, and cholinergic afferents to the cat facial nucleus as evidenced by double immunostaining method with unconjugated cholera toxin as a retrograde tracer. J Comp Neurol 283: 285–302PubMedCrossRefGoogle Scholar
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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • K. Matsumoto
    • 1
  • Y. Nakao
    • 1
  • H. Kumagami
    • 1
  1. 1.Department of Otolaryngology, School of MedicineNagasaki UniversityNagasaki, 852Japan

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