Primary afferent axons in the tract of lissauer in the monkey

Richard E. Coggeshall, Kyungsoon Chung, Jin Mo Chung, Lauren A. Langford

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

The main thrust of the present study was to determine the numbers of primary afferent fibers in the tract of Lissauer in the monkey. The findings are that approximately 40% of the axons in the tract of Lissauer are primary afferent axons from a single segment, and approximately another 40% are primary afferents from segments cranial and caudal to the segment under consideration. Presumably, the remaining 20% are propriospinal axons. There is relatively little difference in the proportions of primary afferents in medial as opposed to lateral parts of the tract, and in this respect the monkey differs somewhat from the rat and cat. Thus in the monkey the tract of Lissauer should probably be regarded as a primary afferent pathway with the propriospinal fibers forming a distinct but relatively minor component of the tract.

Original languageEnglish (US)
Pages (from-to)431-442
Number of pages12
JournalJournal of Comparative Neurology
Volume196
Issue number3
DOIs
StatePublished - Mar 1 1981

ASJC Scopus subject areas

  • Neuroscience(all)

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