Synapses

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6 Terms

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Electrical Synapses

Synapses that communicate through a flow of electrical current (ions).

Connected through gap junctions.
Connexons connect the cell, causing cytoplasm continuity, so that current can flow through.

2
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Chemical Synapses

Synapses that communicate through the release and reception of neurotransmitters.

  • Voltage-gated Calcium Channels open
  • Calcium enters the cells
  • Causes vesicles to carry neurotransmitters through the cell membrane
  • Neurotransmitters travel through the synaptic cleft
  • Get absorbed by post-synaptic receptors
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Electrical vs. Chemical Synapse Speed

Electrical Synapses work faster.

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Electrical vs. Chemical Synapse Accuracy

Chemical Synapses are more targeted and accurate.

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Electrical vs. Chemical Synapse Direction

Chemical - unidirectional
Electrical - can be bidirectional

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Electrical vs. Chemical Synapse Abundance

Chemical Synapses are more abundant