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Neuronal Network


Authors: M. Langmeier;  D. Marešová
Authors‘ workplace: Fyziologický ústav 1. LF UK, Praha
Published in: Čas. Lék. čes. 2005; 144: 624-626
Category: Review Article

Overview

Function of the central nervous system is based on mutual relations among the nerve cells. Description of nerve cells and their processes, including their contacts was enabled by improvement of optical features of the microscope and by the development of impregnation techniques. It is associated with the name of Antoni van Leeuwenhoek (1632–1723), J. Ev. Purkyně (1787–1869), Camillo Golgi (1843–1926), and Ramón y Cajal (1852–1934). Principal units of the neuronal network are the synapses. The term synapse was introduced into neurophysiology by Charles Scott Sherrington (1857–1952). Majority of the interactions between nerve cells is mediated by neurotransmitters acting at the receptors of the postsynaptic membrane or at the autoreceptors of the presynaptic part of the synapse. Attachment of the vesicles to the presynaptic membrane and the release of the neurotransmitter into the synaptic cleft depend on the intracellular calcium concentration and on the presence of several proteins in the presynaptic element. 

Key words:
J. Ev. Purkyně, neuron, neuronal network, synaps.


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