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Components of Central Nervous System (CNS)

Components of Central Nervous System (CNS)

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Chemical Synapses<br />

Ultrastructures<br />

Presynaptic element: synaptic<br />

vesicles<br />

Synaptic cleft<br />

Postsynaptic element: clustering <strong>of</strong><br />

receptors/channels<br />

Neurotransmitters<br />

acetylcholine (ACh), noradrenaline<br />

(NE), gamma-aminobutyric acid<br />

(GABA), serotonin (5-HT),<br />

dopamine (DA), glycine, glutamate,<br />

aspartate et al.<br />

Neuropeptides (peptidergic):<br />

calcitonin gene-related peptide<br />

(CGRP), et al.<br />

Histo: <strong>CNS</strong> - 4

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