Branching projections from subcoeruleus area neurons to medial preoptic area and cervical spinal cord revealed by double retrograde neuronal labeling

Neurosci Lett. 1989 Aug 14;103(1):11-6. doi: 10.1016/0304-3940(89)90477-1.

Abstract

In this study we utilized a double retrograde axonal tracing technique to investigate the possible existence of collateralized axonal projections of subcoeruleus area neurons to both 'medial preoptic area (MPA) and cervical (C1-C3) spinal cord'. Following microinjections of fluorescent tracers (Fast blue (FB) and Diamidino yellow (DY) within MPA and C1-C3, substantial numbers of FB and DY single-labeled neurons as well as FB-DY double-labeled branched neurons have been found within subcoeruleus area.

MeSH terms

  • Amidines
  • Animals
  • Axonal Transport*
  • Fluorescent Dyes
  • Locus Coeruleus / cytology*
  • Male
  • Microscopy, Fluorescence
  • Neural Pathways / cytology
  • Neurons / cytology*
  • Preoptic Area / cytology*
  • Rats
  • Rats, Inbred Strains
  • Spinal Cord / cytology*

Substances

  • Amidines
  • Fluorescent Dyes
  • diamidino compound 253-50
  • diamidino yellow