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  Independent spatial waves of biochemical differentiation along the surface of chicken brain as revealed by the sequential expression of acetylcholinesterase

Layer, P., Rommel, S., Bülthoff, H., & Hengstenberg, R. (1988). Independent spatial waves of biochemical differentiation along the surface of chicken brain as revealed by the sequential expression of acetylcholinesterase. Cell and Tissue Research, 251(3), 587-595. doi:10.1007/BF00214007.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-EF5F-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-48C5-B
Genre: Journal Article

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Layer, PG1, Author
Rommel, S1, Author
Bülthoff, HH2, 3, Author              
Hengstenberg, R2, 3, Author              
Affiliations:
1Max Planck Institute for Developmental Biology, Max Planck Society, Max-Planck-Ring 5, 72076 Tübingen, DE, ou_2421691              
2Former Department Neurophysiology of Insect Behavior, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497802              
3Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: AChE-positive cells suddenly amass in a superficial layer of the neuroepithelium; this layer finally covers, in a sheat-like manner, the entire surface of the embryonic chicken brain. This feature is functionally not understood; however, it appears shortly after the neurons become post-mitotic, and the lateral extensions of this layer can easily be traced using histochemistry on serial brain sections. The layer can therefore be exploited to delineate spatially the waves of onset of biochemical tissue differentiation. We have studied whole brains between stages 11 and 30 and provide the first complete spatial schemes of brain differentiation based on computer-reconstructed, two- and three-dimensional maps. The brain does not differentiate in one smooth coherent wave, but instead five separate primary AChE-activation zones are detected: the first originating at stage 11 (ldquorhombencephalic waverdquo), the second at the same time (ldquomidbrain waverdquo), the third at stage 15 ("ldquotectal waverdquo). A fourth zone develops later, at stage 18, from the bottom part of the telencephalon to the top. Retinal development also starts at stage 18. In a given area, it appears that AChE-development shortly precedes that of the formation of major fiber tracts. AChE might therefore represent a prerequisite for fiber growth and pathfinding.

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 Dates: 1988-03
 Publication Status: Published in print
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.1007/BF00214007
BibTex Citekey: 1277
 Degree: -

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Title: Cell and Tissue Research
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 251 (3) Sequence Number: - Start / End Page: 587 - 595 Identifier: ISSN: 0302-766X
CoNE: https://pure.mpg.de/cone/journals/resource/991042749577550