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Dendritic transmitter release: a comparison of two model systems.

Review article
Authors Filip Bergquist
M Ludwig
Published in Journal of neuroendocrinology
Volume 20
Issue 6
Pages 677-86
ISSN 1365-2826
Publication year 2008
Published at
Pages 677-86
Language en
Keywords Action Potentials, physiology, Animals, Calcium, metabolism, Corpus Striatum, cytology, metabolism, Dendrites, metabolism, ultrastructure, Dopamine, metabolism, Exocytosis, physiology, Hypothalamo-Hypophyseal System, cytology, metabolism, Neuropeptides, metabolism, Neurotransmitter Agents, metabolism, Oxytocin, metabolism, SNARE Proteins, metabolism, Signal Transduction, physiology, Substantia Nigra, cytology, metabolism, Synaptic Transmission, physiology
Subject categories Pharmacology, Physiology, Experimental brain research, Neurobiology, Neurophysiology

Abstract

Information flow through neurones was historically considered to be linear, with dendrites receiving information from incoming synaptic terminals, the soma processing the information and the axon carrying it to the terminal that synapses upon another cell or end organ. However, recent studies have shown that dendrites can release transmitters themselves, and thereby communicate with neighbouring structures, whether these are adjacent neurones or incoming synapses. Due to their anatomical features, the magnocellular vasopressin and oxytocin containing neurones of the hypothalamic supraoptic and paraventricular nuclei and the dopamine neurones of the substantia nigra have revealed important aspects of dendritic function including mechanisms of dendritic transmitter release.

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