Central nervous system features of a nicotine-resistant insect, the tobacco hornworm Manduca sexta.

Abstract

The purpose of this study is to look for structural correlates of the demonstrated nicotine-insensitivity of larval Manduca sexta CNS, an insensitivity which is only slightly perturbed by desheathing (a technique used to disrupt perineurial diffusion barriers). The general organization of the hornworm ganglion is found to conform to the conventional insect… (More)

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