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miniature end-plate potential
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miniature end-plate potential

biology
Also known as: MEPP, MPSP, miniature postsynaptic potential

Learn about this topic in these articles:

occurrence and function

  • In end-plate potential

    …a slight depolarization, called a miniature end-plate potential (MEPP). One hundred to 200 quanta, released simultaneously or in rapid series by a nerve impulse, cause multiple MEPPs, which summate, or combine, to produce an EPP. If the EPP depolarizes the cell to a crucial threshold level, it will fully activate…

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  • neuron; conduction of the action potential
    In nervous system: Postsynaptic potential

    These tiny electrical events, called miniature end-plate potentials (MEPPs), or miniature postsynaptic potentials (MPSPs), are caused by the random release of single quanta of neurotransmitter from a resting presynaptic terminal. The EPP is actually made up of multiple MEPPs, which arise when an activated terminal releases hundreds of neurotransmitter quanta.…

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