Neurotransmission Flashcards

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1
Q

what is Synaptic transmission

A

Synaptic transmissionis the process whereby a chemical messenger (neurotransmitter) crosses the synapse from one neuron (also called nerve cell) to another. It is the nervous system’s way of communicating.

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2
Q

what are the steps of Synaptic transmission

A
  1. Neurotransmitters contained inside vesicles, inside terminal buttons of presynaptic neuron move towards the membrane (towards the outside)
  2. Vesicles break open into the synapse, releasing neurotransmitters
  3. Neurotransmitters bind with receptors on postsynaptic neuron
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3
Q

what is Neurotransmission

A

Neurotransmissionis the broader picture of how messages are sent from neuron to neuron throughout the brain (however some people use ‘neurotransmission’ to mean all of it including synaptic transmission).

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4
Q

what are the steps of Neurotransmission

A
  1. An electrical signal passes down the axon of the neuron
  2. This releases neurotransmitters into the synapse
  3. The neurotransmitter either excites or inhibits the neuron
  4. If the neuron is sufficiently excited, it will send an electrical signal down the axon, and the message continues
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