It's a fun unrelated fact that neurons come from the germ (embrionic) layer of cells which correspond to external cells, like the skin. i.e. neurons are made f

It's a fun unrelated fact that neurons come from the germ (embrionic) layer of cells which correspond to external cells, like the skin. i.e. neurons are made from ectoderm germ cells (not endoderm --inside, nor mesoderm -- middle, but outer layer)