Cervical primary afferent input to vestibulospinal neurons projecting to the cervical dorsal horn: an anterograde and retrograde tracing study in the cat

The Journal of Comparative Neurology
S BankoulV J Wilson

Abstract

Vestibulospinal neurons in the caudal half of the medial and descending vestibular nuclei terminate in the cervical spinal cord, not only in the ventral horn and intermediate zone but also in the dorsal horn. The purpose of the present study was to examine whether the areas containing these vestibulospinal neurons are reached by cervical primary afferents. In one group of experiments, wheat germ agglutinin-horseradish peroxidase conjugate and horseradish peroxidase were pressure injected into spinal ganglia C2-C8 and revealed anterogradely labeled fibers and boutons in the caudal part (caudal to the dorsal cochlear nucleus) of the ipsilateral medial and descending vestibular nuclei. This projection was verified in experiments in which wheat germ agglutinin-horseradish peroxidase conjugate was microiontophoretically injected into the caudal half of either the medial or the descending vestibular nuclei and revealed retrogradely labeled cells only in ipsilateral spinal ganglia C2-C7, with a maximum of cells in C3. In another group of experiments, after microiontophoretic injections of Phaseolus vulgaris leucoagglutinin or Biocytin into either the medial or the descending vestibular nuclei, anterogradely labeled fibers and boutons ...Continue Reading

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Citations

Aug 19, 1996·The Journal of Comparative Neurology·T E Benson, M C Brown
Jun 11, 1999·The Journal of Comparative Neurology·C Buisseret-DelmasP Buisseret
Jun 19, 2013·Lancet Neurology·Joseph M FurmanCarey D Balaban
Jul 7, 2012·Chiropractic & Manual Therapies·Howard Vernon
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Apr 9, 2008·Journal of Chemical Neuroanatomy·Maria F PassettoCláudio A B Toledo
Aug 2, 2013·Journal of Neurophysiology·Patrick A ForbesJean-Sébastien Blouin
Apr 12, 2017·Frontiers in Neurology·Andrew A McCallBill J Yates
Jul 22, 2018·Frontiers in Neurology·Patrick A ForbesJean-Sébastien Blouin
Apr 16, 2021·Annals of Medicine·Liang-Liang HeLi-Qiang Yang

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