Structure of a Synapse
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Postsynaptic neuron
Neuron that receives the impulse at the synapse.
presynaptic neuron
Neuron that transmits the impulse across the synapse.
Synaptic vesicles
Store chemical called acetylcholine, a neurotransmitter that carries the impulse across the synapse.
synaptic knob
Swollen portion of the axon terminal that contains synaptic vesicles.
Synaptic Cleft (synapse)
Gap between one neuron and the next neuron in the chain
Mitochondrian
rodlike cytoplasmic organelles responsible for ATP generation for cellular activities.
