Axon diameter in the optic nerve

Range myelinated 0.3-6.7µm (mean 1.6µm): unmyelinated 0.2-1.6µm (mean 0.6µm) µm
Organism North American opossum Didelphis virginiana
Reference Kirby MA, Clift-Forsberg L, Wilson PD, Rapisardi SC. Quantitative analysis of the optic nerve of the North American opossum (Didelphis virginiana): an electron microscopic study. J Comp Neurol. 1982 Nov 1 211(3):318-27. DOI: 10.1002/cne.902110310 AbstractPubMed ID7174896
Method Electron microscopy
Comments Abstract:"The myelinated axons ranged from 0.3 to 6.7 micrometers in diameter (mean 1.6 micrometers), while unmyelinated axons were 0.2 to 1.6 micrometers in diameter (mean 0.6 micrometers)." Keywords:size,radius,cns,central nervous system,nerve cell,neuron
Entered by Uri M
ID 112118