Hey nostr:npub1v7k63c6y2vktlqhsuupywt3yc7ykursujc34at964f9cv9s9y9csjutfk0, this is a pretty good layperson’s explanation of normal myelination of human brains and spinal cords. I think ul find it fascinating…I know I did…it’s been nearly 40 years since I’ve had to think much about this.

https://neurolaunch.com/myelination-in-the-human-brain/