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Some aspects of fiber connections in the basal ganglia. Yasuhisa NAKAMURA 1,2 , Hironobu TOKUNO 1,3 1Department of Anatomy, School of Medicine, Kanazawa University 2Department of Anatomy, Faculty of Medicine, Tokyo Medical and Dental University 3National Institute for Physiological Seiences, Okazaki National Research Institutes pp.928-936
Published Date 1990/12/10
DOI https://doi.org/10.11477/mf.1431900090
  • Abstract
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In the substantia nigra we have found peculiar arrangements of input fibers and output neurons by sectioning the midbrain parallel to the surface of the cerebral peduncle with some staining of tracer injections. Although the myelinated fibers in the substantia nigra are not massive, they make a few bundles running from rostromedial to caudolateral. High acetylcholinesterase activity, striatonigral and subthalamonigral terminals also makes 3~4 bands in the same direction. Nigral projection neurons to the thalamic ventromedial nucleus, superior colliculus, and pedunculopontine tegmental nucleus, again, are arranged into a few bands in the same rostromedial-caudolateral direction. The relationships among the band of input-output organizaticni, however, are still unknown.


Copyright © 1990, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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