A cervical primary afferent input to vestibular nuclei as demonstrated by retrograde transport of wheat germ agglutinin-horseradish peroxidase in the rat |
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Authors: | S Bankoul W L Neuhuber |
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Affiliation: | (1) Institute of Anatomy, University of Zürich-Irchel, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland |
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Abstract: | Summary Wheat germ agglutinin-horseradish peroxidase conjugate (WGA-HRP) was microiontophoretically injected into the vestibular nuclear complex of the rat. Retrogradely labeled neurons were found in ipsilateral spinal ganglia C2-C3 only if the injection site was in the caudal part of the medial vestibular nucleus (MVN). Injections into rostral parts of the MVN, the superior, lateral and descending vestibular nuclei (SVN, LVN, DVN), the nucleus of the solitary tract (STN) and the reticular formation did not result in spinal ganglion labeling. Thus, the caudal part of the MVN appears to be the main vestibular termination site for rostral cervical primary afferents.Abbreviations Cu
cuneate nucleus
- DVN
descending vestibular nucleus
- ECN
external cuneate nucleus
- g7
genu of the facial nerve
- icp
inferior cerebellar peduncle
- In
intercalated nucleus
- LVN
lateral vestibular nucleus
- mlf
medial longitudinal fasciculus
- MVN
medial vestibular nucleus
- PrH
prepositus hypoglossi nucleus
- Ro
Roller's nucleus
- sol
solitary tract
- SVN
superior vestibular nucleus
- 12
hypoglossal nucleus |
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Keywords: | Vestibular nuclei Spinal ganglia Retrograde tracing Wheat germ agglutinin-horseradish peroxidase conjugate (WGA-HRP) Neck afferents Rat |
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