Summary
Koelle-Friedenwald's technique was used in the histochemical localization of cholinesterases in the central nervous system of Sepia officinalis. This first study is only concerned with sagittal sections. The reaction is exclusively neuropilar. Acetylcholinesterases and pseudo-cholinesterases show the same distribution in almost all the lobes except for the superior frontal and vertical lobes. The intensity of the reaction is different in the various lobes studied, especially at the level of the supra-oesophageal mass.
Résumé
La localisation histochimique des cholinestérases a été faite par la méthode de Koelle-Friedenwald. Cette première étude porte uniquement sur les coupes sagittales. La réaction est exclusivement neuropilaire. Mises à part quelques exceptions (lobes vertical et supérieur frontal) les acétyl-cholinestérases et les pseudo-cholinestérases présentent la même répartition. L'intensité de la réaction est différente selon les lobes, surtout au niveau de la masse supra-oesophagienne.
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We are grateful to Professor J. Z. Young (University College London) in whose laboratory we learned the anatomy of the Central Nervous System of Sepia and to Miss C. Durcos (Laboratory of Cytology, University of Paris) for her technical assistance and for her critical review of the manuscript.
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Chichery, M.P., Chichery, R. Histochemical study of the localization of cholinesterases in the central nervous system of Sepia officinalis . Cell Tissue Res. 148, 551–560 (1974). https://doi.org/10.1007/BF00221938
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DOI: https://doi.org/10.1007/BF00221938