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Synapse and ionic mechanisms HTML5

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Summary

Synapse activity and related ionic mechanisms: Calcium ions flow into the presynaptique zone, through voltage-dependent channels, inducing exocytosis. Sodium ions flow into the postsynaptic neuron though receptors specific for a given neurotransmitter, inducing membrane depolarization.

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Learning goals

  • To understand nerve signal transmission at the level of an excitatory synapse.

Keywords

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Transmission of impulses between neurons occurs at their point of junction, called the synapse. It is estimated that about 40% of the total surface of a neuron is composed of synapses. These have…

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