Perimeter Release Model
This diagram shows the new model that Professor Takahashi and his collaborators have proposed. Circles are vesicles filled with blue neurotransmitters, and the smaller grey circles are voltage-gated channels. Instead of measuring from the vesicle to the center of the channel cluster (green line), Takahashi suggests measuring to the perimeter of the channel cluster (red line). The difference is that measuring to the center varies with the size of the cluster, whereas measuring to the perimeter will always describe the closest channel to the vesicle.
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