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The serotoninergic, cholinergic and peptidergic components of the nervous system in the monogenean parasite,Diclidophora merlangi: a cytochemical study

  • A. G. Maule (a1), D. W. Halton (a1), C. F. Johnston (a2), C. Shaw (a2) and I. Fairweather (a1)...

Summary

Confocal scanning laser microscopy has been employed with immunocytochemical techniques to map the distribution of serotoninergic and peptidergic components in the nervous system of the monogenean gill-parasite, Diclidophora merlangi; results are compared with the distribution of cholinergic components, following histochemical staining for cholinesterase activity. While all three neurochemical elements are present in the central and peripheral nervous systems, the cholinergic and peptidergic systems dominate the CNS, whereas the PNS has a majority of serotoninergic nerve fibres. The cholinergic and peptidergic neuronal pathways overlap extensively in staining patterns, suggesting possible co-localization of acetylcholine and neuropeptides. Within the peptidergic nervous system, immunoreactivity to the pancreatic polypeptide family of peptides and FMRFamide were the most prevalent.

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The serotoninergic, cholinergic and peptidergic components of the nervous system in the monogenean parasite,Diclidophora merlangi: a cytochemical study

  • A. G. Maule (a1), D. W. Halton (a1), C. F. Johnston (a2), C. Shaw (a2) and I. Fairweather (a1)...

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