Dendritic morphology of neurons in sympathetic ganglia of the goldfish, Carassius auratus

Paul Karila, Ian Gibbins, Sue Matthew

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    We used intracellular dye injection to examine the dendritic morphology of postganglionic neurons in the coeliac ganglion of goldfish. About 80% of the neurons had at least one dendrite, with the mean number of dendrites per cell being 7.8 ± 5.5 (±SD, n = 37 cells). Dendrites varied in length from a few μm to more than 400 μm. Around 37% of the neurons possessed axon collaterals in addition to dendrites. These results show that postganglionic sympathetic neurons of goldfish can have a complex morphology, more like the sympathetic neurons of small mammals than those of amphibians. This raises the possibility that at least some sympathetic ganglion cells of teleost fish receive multiple convergent preganglionic inputs, suggesting a hitherto unsuspected level of complexity in these pathways.

    Original languageEnglish
    Pages (from-to)87-90
    Number of pages4
    JournalNeuroscience letters
    Volume198
    Issue number2
    DOIs
    Publication statusPublished - 29 Sep 1995

    Keywords

    • Autonomic nervous system
    • Axon collaterals
    • Coeliac ganglion
    • Dye injection
    • Teleost

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