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Plasticity of Retinal Ribbon Synapses by Vollrath, Lutz; Spiwoks-Becker, Isabella is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Plasticity of Retinal Ribbon Synapses about?

Ribbon synapses differ from conventional chemical synapses in that they contain, within the cloud of synaptic vesicles (SV's), a specialized synaptic body, most often termed synaptic ribbon (SR). This body assumes various forms. Reconstructions reveal that what appear as rod-or ribbon-like profiles in sections are in fact rectangular or horseshoe-shaped plates. Moreover, spherical, T-shaped, table-shaped, and highly pleomorphic bodies may be present. In mammals, ribbon synapses are present in afferent synapses of photoreceptors, bipolar nerve cells, and hair cells of both the organ of Corti and the vestibular organ. Synaptic ribbons (SRs) are also found in the intrinsic cells of the third eye, the pineal gland, and in the lateral line system. The precise function of SRs is enigmatic. The prevailing concept is that SRs function as conveyor belts to channel SV's to the presynaptic membrane for neurotransmitter release by means of exocytosis. The present article reviews the evidence that speaks for a plasticity of these organelles in the retina and the third eye, as reflected in changes in number, size, shape, location, and grouping pattern. SR plasticity is especially pronounced in t

Who reads Plasticity of Retinal Ribbon Synapses?

Author

Vollrath, Lutz; Spiwoks-Becker, Isabella

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1059-910X)

Published

1996

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)