how long is nerve cell ? Share with your friends Share 0 Raghunath M. answered this 3metre 0 View Full Answer Tharun Balaji answered this The cell body of a motor neuron isapproximately 100 microns?(0.1 millimeter) in diameter and as you now know, the axon is?about 1 meter(1,000 millimeter) in length. So, the axon of a motor neuron is 10,000 times as long as the cell body is wide. 0
