Document Detail


Topographic distribution of pallidal neurons projecting to the thalamus in macaques.
MedLine Citation:
PMID:  1698504     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The respective topographic distribution of the pallidal neurons projecting to the central complex (centre médian-parafascicular complex) and to the oral part of the lateral mass of the thalamus was studied by using a topographic technique based on ventricular landmarks. WGA-HRP was stereotactically injected into the central complex of 4 macaques and into the oral part of the lateral mass of the thalamus of 3 others. Neurons projecting to the central complex were located in the caudal, lateral and ventral region of the ipsilateral medial nucleus of the pallidum. Pallidal neurons projecting to the lateral mass of the thalamus were more numerous and occupied the entire volume of the medial pallidum apart from a small rostral and dorsomedial region. The location of the pallido-central complex neurons appeared to be included in that of the neurons projecting to the lateral mass. As very few neurons of this shared region were unlabeled, it is very likely that the same pallidal neurons project to both targets. The pallido-central complex neurons were located in the region crossed by axons coming from the putaminal sensorimotor territory of the striatum. These results provide further evidence that Nauta and Mehler's loop is a real closed loop probably involved in sensorimotor processing.
Authors:
G Fénelon; C François; G Percheron; J Yelnik
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Brain research     Volume:  520     ISSN:  0006-8993     ISO Abbreviation:  Brain Res.     Publication Date:  1990 Jun 
Date Detail:
Created Date:  1990-11-14     Completed Date:  1990-11-14     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0045503     Medline TA:  Brain Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  27-35     Citation Subset:  IM    
Affiliation:
Laboratoire d'Anatomie et d'Organogénèse, Faculté de Médecine Saint-Antoine, Paris, France.
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MeSH Terms
Descriptor/Qualifier:
Animals
Axonal Transport
Axons / physiology
Globus Pallidus / anatomy & histology*,  physiology
Horseradish Peroxidase
Macaca / anatomy & histology*
Macaca nemestrina / anatomy & histology
Neurons / physiology*
Thalamus / anatomy & histology*,  physiology
Wheat Germ Agglutinin-Horseradish Peroxidase Conjugate
Wheat Germ Agglutinins
Chemical
Reg. No./Substance:
0/Wheat Germ Agglutinin-Horseradish Peroxidase Conjugate; 0/Wheat Germ Agglutinins; EC 1.11.1.-/Horseradish Peroxidase

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


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