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Though the spinal chord is far thicker, the optic nerve is far denser in neurons. So the number of neurons in a cross section is roughly the same. If they can r
by delichon 2y ago
Though the spinal chord is far thicker, the optic nerve is far denser in neurons. So the number of neurons in a cross section is roughly the same. If they can regenerate a section of optic nerve maybe they could reconnect spinal chords too. That may be the toughest part of a head transplant.
- standardUser 2y agoWouldn't the be a "body transplant"?
- robwwilliams 2y agoThere are no neuronal cell bodies in the optic nerve or tract. Almost purely axons, glial cells and vasculature. The cell bodies that give rise to the axons/fibers in the optic nerve are in the retina.