Anatomical distribution of flexor carpi radialis and flexor carpi ulnaris motor nuclei in the cat spinal cord

G. A. Iwamoto, L. H. Haber, J. A. Dixon, W. J. Gonyea

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

The distribution of motoneurons innervating the flexor carpi radialis (FCR) and flexor carpi ulnaris (FCU) muscles was studied utilizing retrograde labeling with horseradish peroxidase (HRP). The motor nuclei showed considerable differences in their longitudinal extents. The FCR nucleus occupied spinal segments C6–T1 while FCU ranged from the C7–C8 junction to T1. Results with localized i.m. injection of HRP suggested a somatotopic distribution of these motoneurons.

Original languageEnglish (US)
Pages (from-to)25-30
Number of pages6
JournalNeuroscience Letters
Volume20
Issue number1
DOIs
StatePublished - Jan 1 1980

ASJC Scopus subject areas

  • Neuroscience(all)

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