Presynaptic tubular structures in photoreceptor cells

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1971 English Publisher:Springer Science and Business Media LLCJournal:Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, volume 113, pages 39-43 (issn: 0302-766X, eissn: 1432-0878,

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Authors: A P, De Iraldi; A M, Suburo;

doi: 10.1007/bf00331200

pmid: 5545216

Presynaptic tubular structures in photoreceptor cells

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Abstract

After the application of fixatives including phosphotungstic acid or a mixture of osmium tetroxide and zinc iodide, complex tubular structures are evident in the presynaptic side of the synapses between photoreceptor and bipolar cells of the rat's retina. In the first case only the limiting membranes are visualized, while in the second only the content of the tubules is stained. These tubules seem to be related, on a morphological ground, with the formation of synaptic vesicles. These tubular structures are not observed when fixation is done with osmium tetroxide or glutaraldehyde-osmium tetroxide.

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University of Buenos Aires
Argentina

Keywords

Animals

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