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  The synaptic organization of visual interneurons in the lobula complex of flies: A light and electron microscopical study using silver-intensified cobalt-impregnations

Hausen, K., Wolburg-Buchholz, K., & Ribi, W. (1980). The synaptic organization of visual interneurons in the lobula complex of flies: A light and electron microscopical study using silver-intensified cobalt-impregnations. Cell and Tissue Research, 208(3), 371-387. doi:10.1007/BF00233871.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-0810-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-0811-E
Genre: Journal Article

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Hausen, K1, 2, Author              
Wolburg-Buchholz, K1, 2, Author              
Ribi, WA1, 2, Author              
Affiliations:
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, ou_1497794              

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 Abstract: The synaptic organization of three classes of cobalt-filled and silver-intensified visual interneurons in the lobula complex of the blowfly Calliphora (Col A cells, horizontal cells and vertical cells) was studied electron microscopically. The Col A cells are regularly spaced, columnar, small field neurons of the lobula, which constitute a plexus of arborizations at the posterior surface of the neuropil and the axons of which terminate in the ventrolateral protocerebrum. They show postsynaptic specializations in the distal layer of their lobula-arborizations and additional presynaptic sites in a more proximal layer; their axon terminals are presynaptic to large descending neurons projecting into the thoracic ganglion. The horizontal and vertical cells are giant tangential neurons, the arborizations of which cover the anterior and posterior surface of the lobula plate, respectively, and which terminate in the perioesophageal region of the protocerebrum. Both classes of these giant neurons were found to be postsynaptic in the lobula plate and pre- and postsynaptic at their axon terminals and axon collaterals. The significance of these findings with respect to the functional properties of the neurons investigated is discussed.

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 Dates: 1980-06
 Publication Status: Published in print
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 Identifiers: DOI: 10.1007/BF00233871
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Title: Cell and Tissue Research
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 208 (3) Sequence Number: - Start / End Page: 371 - 387 Identifier: ISSN: 0302-766X
CoNE: https://pure.mpg.de/cone/journals/resource/991042749577550