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Quantal Release of Transmitter: Not Only from Neurons but from Aastrocytes as Well? 

Quantal Release of Transmitter: Not Only from Neurons but from Aastrocytes as Well?
Chapter:
Quantal Release of Transmitter: Not Only from Neurons but from Aastrocytes as Well?
Source:
Neuroglia (2 ed.)
Author(s):

Andrea Volterra

and Jacopo Meldolesi

DOI:
10.1093/acprof:oso/9780195152227.003.0014

This chapter focuses on astrocytes. In the last fifteen years, the status of astrocytes has changed profoundly from a cell scaffold and metabolic-trophic reservoir offering neurons a necessary, yet only passive, support to a full actor, working in collaboration with other glial cells and with the surrounding neurons by the continuous exchange of chemical messengers including glutamate, a classical neurotransmitter. Astrocytes as neurosecretory cells, stimulus-secretion coupling in astrocytes, and the role of regulated secretion from astrocytes in brain physiology are discussed.

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