Origin of ascending intratrigeminal pathways in the cat

W. M. Panneton, H. Burton

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

The retrograde horseradish peroxidase technique was used to locate neurons projecting to rostral trigeminal areas via ascending intranuclear pathways. After rostral trigeminal injections, labeled neurons were found in the subnucleus interpolaris and in all laminae of the medullary dorsal horn. Most neurons were labeled ipsilaterally in laminae III and IV, but some small neurons were labeled in lamina II in the medullary dorsal horn. The distribution of labeled cells suggested that these projections are topographically arranged. Labeled neurons were found in lamina I and lamina V, bilaterally; this was especially true if the parabrachial complex was included in the injection.

Original languageEnglish
Pages (from-to)463-470
Number of pages8
JournalBrain Research
Volume236
Issue number2
DOIs
StatePublished - Mar 25 1982

Keywords

  • dorsal horn of medulla
  • intranuclear pathways
  • subnucleus interpolaris
  • trigeminal system

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