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SlideshowReport

Spatial Summation

Description
Removal of Neurotransmitter

Neurotransmitter can be removed from the synaptic cleft by:
Diffusion
Enzymatic degradation
Uptake into cells

Summation

If several presynaptic end bulbs release their neurotransmitter at about the same time, the combined effect may generate a nerve impulse due to summation
Summation may be spatial or temporal
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