Letter | Published:

Evidence for neuronal control of ion transport in chironomid larvae

Naturevolume 254pages344345 (1975) | Download Citation

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Abstract

THE role of anal papillae in the uptake of sodium and chloride ions has been established in the closely related culicid and chironomid larvae1–6, but studies on the ultrastructure of these organs have been limited to the former group7–9. The sites of active ion transport are located on the apical membrane of the epidermal cells below the cuticle5,8,10. The mechanism by which ion transport is controlled in culicid larvae is most probably hormonal4,11 but there are indications that a different system operates in the chironomid larvae12–14. To investigate this possibility, the ultrastructure of the anal papillae of Chironomus riparius Meigen has been examined. Axons were clearly present suggesting that ion transport may be under neuronal control.

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Affiliations

  1. Department of Zoology, Bedford College, Regent's Park, London, NW1 4NS, UK

    • PETER F. CREDLAND

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https://doi.org/10.1038/254344a0

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