Contralateral degeneration in the cat spinal trigeminal nucleus following unilateral retrogasserian trigeminal rhizotomy

L. E. Westrum, M. A. Henry

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Retrogasserian trigeminal rhizotomy was used to study the central projections and patterns of degeneration in the spinal trigeminal nucleus (STN). At survival times of 3-20 days, reduced silver stains show extensive degeneration throughout the ipsilateral STN and in addition, well delineated degeneration was identified in the periobex region of the contralateral STN that varied with survival time. The results suggest that primary afferents may contribute to this contralateral projection.

Original languageEnglish (US)
Pages (from-to)143-146
Number of pages4
JournalNeuroscience Letters
Volume121
Issue number1-2
DOIs
StatePublished - Jan 2 1991

Keywords

  • Contralateral
  • Deafferentation
  • Degeneration
  • Primary afferent
  • Rhizotomy
  • Trigeminal nucleus

ASJC Scopus subject areas

  • Neuroscience(all)

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