Velocity of action potential in giant axon at 16°C

Value 7 m/s
Organism Cuttlefish Sepia
Reference Bullock TH, Horridge GA (1965). Structure and Function in the Nervous Systems of Invertebrates. San Francisco: W. H. Freeman vol I p.137 table 3.2
Method Most determinations were made with intracellular electrodes
Comments Axon diameter is 200µm. Values given have usually been measured with very little saline shunt and would be appreciably higher-up to 50%-in sea water or in the animal.
Entered by Uri M
ID 108961