Some axons are up to a metre long, running all the way from the spinal cord to the toes.
Tips
usage
轴突 carries signals away from the cell body; the short branches that receive them are 树突 (dendrites). 轴索 is an older synonym, still seen in medical writing.
memory
轴 'axle' + 突 'protrusion': the long shaft that sticks out of a nerve cell.
