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  The resolution of neuronal assemblies after cobalt injection into neuropil

Strausfeld, N., & Hausen, K. (1977). The resolution of neuronal assemblies after cobalt injection into neuropil. Proceedings of the Royal Society B: Biological Sciences, 199(1136), 463-476.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-07CF-A Version Permalink: http://hdl.handle.net/21.11116/0000-0006-07D1-6
Genre: Journal Article

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Strausfeld, NJ, Author              
Hausen, K1, 2, Author              
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1Former Department Information Processing in Insects, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497801              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Cobalt ions are incorporated by many interneurons of the insect central nervous system after injection of cobalt chloride or cobalt acetate into the neuropil. Entire nerve cells are subsequently revealed by sulphide precipitation which is followed by silver intensification of whole brains and ganglia. The number of neurons resolved depends upon the optimal timing of an injection phase, followed by a period of diffusion. These, and the site of injection, can be adjusted so as to demonstrate arrangements within and between complete populations of morphological classes of interneurons. This novel use of cobalt reveals cytoarchitectural features of neuropil that are refractory to other histological procedures and shows that in columnar visual neuropil the nerve cell arrangements are limited to a few basic modes of assembly.

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 Dates: 1977-12
 Publication Status: Published in print
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Title: Proceedings of the Royal Society B: Biological Sciences
  Abbreviation : Proc. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 199 (1136) Sequence Number: - Start / End Page: 463 - 476 Identifier: ISSN: 0962-8452
CoNE: https://pure.mpg.de/cone/journals/resource/110975500577295_2