Document Detail


Cerebellar corticovestibular fibers of the posterior lobe in a prosimian primate, the lesser bushbaby (Galago senegalensis).
MedLine Citation:
PMID:  1112929     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The orginization of cerebellar corticovestibular fibers was studied in a prosimian primate (Galago senegalensis) using the Fink and Heimer ('67) method. The vestibular complex of Galago is larger than in other mammals and some higher primates. Vermis lobule IX contributes the largest number of fibers to the ipsilateral vestibular complex. Lobules VI and VIII give rise to lesser, but similar, numbers of fibers which also pass into the ipsilateral vestibular nuclei. Vermis lobule VII and the paravermal and lateral cortices contribute extremely sparse numbers of fibers to the dorsal area of the ipsilateral vestibular complex. All degenerated fibers enter the vestibular nuclei through a large diffusely organized juxtarestiform body. Fibers from vermis lobule VII and the paravermal and lateral cortices terminate in dorsal areas of the ipsilateral vestibular nuclei. Vermis lobule VI projects into dorsal and lateral regions of the ipsilateral SVN, LVN and SpVN. Vermis lobules VIII and IX project into the dorsal and into progressively more central and medial regions of the ipsilateral SVN, LVN, and SpVN. This gives the clear impression of a rostro-caudal origin of fibers from the posterior lobe vermis which terminate in an overlapping lateral to medial sequence in the vestibular complex. In addition to its projection into the vestibular nuclei, lesions of vermis lobule IX also elicit degeneration in dorsal areas of the ipsilateral medullary reticular formation and in the ipsilateral parabrachial nuclei.
Authors:
D E Haines
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The Journal of comparative neurology     Volume:  160     ISSN:  0021-9967     ISO Abbreviation:  J. Comp. Neurol.     Publication Date:  1975 Apr 
Date Detail:
Created Date:  1975-05-21     Completed Date:  1975-05-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0406041     Medline TA:  J Comp Neurol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  363-97     Citation Subset:  IM; S    
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain Mapping
Cerebellar Cortex / anatomy & histology*
Neural Pathways
Primates / anatomy & histology*
Vestibular Nuclei / anatomy & histology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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