Synaptic transmittion
Storyboard Text
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- Vesicles fuse with the pre-synaptic membrane and release neurotransmitters into the synaptic cleft
- Electrical impulses pass down the axon of the first neuron
- Electrical Impulses
- Neurotransmitters in the Synaptic cleft
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- Post synaptic membrane
- Vesicles containing neurotransmitters
- Vesicles containing neurotransmitters move towards the pre-synaptic membrane
- Neurotransmitters diffuse across the synapse and attach to receptors on the post synaptic membrane
- Receptors
- Pre-synaptic membrane
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- An electrical impulse is then triggered again and travels down to the end of the axon
- Activity in the receptors causes a change in the second neuron which increases or decreases the likelihood of an action potential in the second neuron
- Electrical impulses
- Action Potential
- Increase
- Decrease
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- Neurotransmitter molecules are recycled into the pre synaptic neuron
- Pre-synaptic neurone
- Post-synaptic neuron
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