Chapter 9. J. E. Treherne. 1970. Ultrastructure and physiological function. Pages 153-164. In: A. C. Neville (editor). Insect Ultrastructure. Proceedings of a meeting held 24-25 September 1969 at the Imperial College, London, Symposium No. 5, Royal Entomological Society of London, Bartholomew Press, Dorking, Surrey, Great Britain, 186 pages.

Keywords: insect morphology, organization of cellular and extracellular components in the penultimate connective of the abdominal nerve cord, diffusion of potassium ions along a single mexaxon channel, nervous system