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  Synaptic density on non-spiny dendrites in the cerebral cortex of the house mouse: A phosphotungstic acid study

Schüz, A., & Dortenmann, M. (1987). Synaptic density on non-spiny dendrites in the cerebral cortex of the house mouse: A phosphotungstic acid study. Journal für Hirnforschung, 28(6), 633-639.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-EF83-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0006-8B38-F
Genre: Journal Article

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Schüz, A1, 2, Author           
Dortenmann, M2, 3, Author           
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1Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497803              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
3Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497800              

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 Abstract: A modification of the phosphotungstic acid method was used to investigate long segments of non-spiny dendrites in the electron microscope. The number of synapses on these dendrites was counted. The density was 1.9 synapses per micron of dendritic length. Taking into account the synapses not contained in the sections, (which are thinner than the dendrites) one gets a real density of 3.3 synapses per micron. This is more than the average density of synapses along spiny dendrites. It demonstrates that spines are not necessary for large numbers of synaptic contacts.

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 Dates: 1987-11
 Publication Status: Issued
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 Identifiers: BibTex Citekey: 1788
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Title: Journal für Hirnforschung
Source Genre: Journal
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Pages: - Volume / Issue: 28 (6) Sequence Number: - Start / End Page: 633 - 639 Identifier: -