| Structure of
excitatory synapses in the CNS |
|
|
|
|
| Pre-synaptic
terminal: |
|||
| Synaptic vesicles |
|||
| Pre-synaptic
cytomatrix |
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| Active zone |
|||
|
|
|
| Synaptic cleft: |
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| 20 nm wide,
filled with |
||
| electron-dense
material |
||
| (proteins and
carbohydrates) |
||
