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  • 1
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Whole mounts of the metacercariae ofDiplostomum sp. andCotylurus erraticus from rainbow trout have been treated cytochemically for the demonstration of cholinergic, serotoninergic (5-hydroxytryptamine) and peptidergic elements in the nervous system. Antisera directed against four vertebrate (pancreatic polypeptide, peptide YY, substance P and peptide histidine isoleucine) and two invertebrate peptides (neuropeptide F and FMR Famide) were used in an indirect immunofluorescence procedure in conjunction with confocal scanning laser microscopy (CSLM). Of the seven antisera tested, all except peptide histidine isoleucine showed significant immunoreactivity. Cholinergic and serotoninergic staining was found primarily in the central nervous system (CNS) and in cell bodies associated with the ventral and dorsal nerve cords in both trematodes. Peptidergic immunoreactivity was localised in the CNS and PNS of both genera, revealing an extensive innervation within the holdfast organ and in and around the oral and ventral suckers.
    Type of Medium: Electronic Resource
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