giant axon

synonym: squid giant axon
https://doi.org/10.1351/goldbook.11782
Very large axon (typically \(\pu{0.5 mm}\) in diameter) that functions in the propulsion system of the squid.
Note: The large size of the axon has facilitated studies on the mechanism of the action potential.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 869 [Terms] [Paper]