excitatory postsynaptic potential ex·ci·ta·to·ry postsynaptic potential (ĭk-sī'tə-tôr'ē)
A local change in the depolarization produced in the postsynaptic neuronal membrane in response to an excitatory impulse; summation of these depolarizations can lead to discharge of an impulse by the neuron.
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a scrap or morsel of food left at a meal.|
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