Distributions of periventricular projections of the paraventricular nucleus to the median eminence and arcuate nucleus

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Neuronal projections from the periventricular subnucleus of the hypothalamic paraventricular nucleus to the median eminence and the arcuate nucleus were investigated in the rat by the anterograde tract-tracer, Phaseolus vulgaris leucoagglutinin. The vast majority of labeled fibers coursed ventrally along the third ventricle and distributed in the external layer of the median eminence bilaterally, with ipsilateral predominance moving caudalwards. Periventricular fibers also terminated in the arcuate nucleus, but this innervation was exclusively ipsilateral.

Original languageEnglish
Pages (from-to)294-297
Number of pages4
JournalBrain research
Issue number1-2
Publication statusPublished - Sep 17 1998



  • Arcuate nucleus
  • Median eminence
  • Paraventricular nucleus
  • Phaseolus vulgaris leucoagglutinin
  • Rat

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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