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Conversion of Signal: Electrical to Chemical

   Copyright 2004 by Alberts, Bray, Johnson, Lewis, Raff, Roberts, Walter.
Garland Publishing: Taylor Francis Group.

Conversion of Signal: Electrical to Chemical


An electrical signal is converted into a chemical signal at a nerve terminal. When an action potential reaches a nerve terminal, it opens voltage-gated Ca2+ channels in the plasma membrane, allowing Ca2+ to flow into the terminal. The increased Ca2+ in the nerve terminal stimulates the synaptic vesicles to fuse with the plasma membrane, releasing their neurotransmitter into the synaptic cleft.  Fair Use and Copyright info

 
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