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Den dynamiske celle - Effimedicin

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• Mye<br />

Schwann <strong>celle</strong> kun omkring kernen og ranvierske indsnøringer.<br />

- 75 % lipid (primært cholesterol).<br />

- 25 % protein.<br />

• CNS: encephalon og rygmarven.<br />

• PNS: spinalnerver og kranienerver.<br />

- Funktion: saltatorisk nerveimpuls (120 µm pr. sek).<br />

• Generelt: Neuroners funktion – signaltransduktion, kommunikation via nerveimpulser,<br />

irritabilitet, konduktivitet. Støtte<strong>celle</strong> – neuroglia. Bindevæv.<br />

• Én neuron:<br />

• Nukleus

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