Speed of action potential along non-myelinated invertebrate axons of ~10μm diameter

Range ≤1 m/sec
Organism Various
Reference Zalc B, Goujet D, Colman D. The origin of the myelination program in vertebrates. Curr Biol. 2008 Jun 24 18(12):R511-2. doi: 10.1016/j.cub.2008.04.010. p.R511 right column top paragraphPubMed ID18579089
Comments "In both vertebrates and invertebrates, axon diameter averages between 0.5 and 30µm. As a consequence, action potentials along non-myelinated invertebrate axons propagate at about 1 m/sec or less for an axon of ~10µm in diameter."
Entered by Uri M
ID 108981