24.11.2013 Views

Components of Central Nervous System (CNS)

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Different patterns <strong>of</strong> myelination between <strong>CNS</strong> and PNS: 1/3<br />

1. Surface <strong>of</strong> the node: contacted by astrocyte processes in<br />

<strong>CNS</strong>; covered by Schwann cell processes in PNS.<br />

2. Cytoplasm <strong>of</strong> myelinating cells near the node <strong>of</strong> Ranvier: (-)<br />

for Oligo; (+) for Schwann cells.<br />

Histo: <strong>CNS</strong> - 20

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