Blood vessel
Astrocyte: provides nutrients to neurons
- needs astrocyte b/c if blood touches neuron, neuron will die
Schwann cell
Micro glial
Axon
Input
Myelin
(Glial)
Micro glial: eats dead tissue (neuron)
- otherwise the dead neurons would rot in body
Cell body
Myelin: insulation for glial cells that
allows signal to neurons