Immunolabeled neuroactive substances in the osphradium of the pond snail, Lymnea stagnalis.

Research output: Contribution to journalArticle


The osphradium of molluscs is assumed to be a sensory organ. The present investigation in Lymnaea stagnalis has established two ultrastructurally different types of dendrites in the sensory epithelium. Cells immunoreactive to leucine-enkephalin and FMRFamide send processes to the sensory epithelium. These neurons of the osphradial ganglion are thus considered to be part of the sensory system, as are methionine-enkephalin-immunoreactive cells in the mantle wall in the vicinity of the osphradium. The complexity of the osphradial ganglion is further demonstrated by serotonin-immunoreactive neurons innervating the muscular coat around the osphradial canal and methionine-enkephalin-immunoreactive cells sending projections to the central nervous system.


External organisations
  • Russian Academy of Sciences
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Zoology


  • Enkephalins, FMRFamide, Serotonin (5HT), Immunocytochemistry, Sensory organ, Osphradium, Lymnaea stagnalis (Mollusca)
Original languageEnglish
Pages (from-to)269-275
JournalCell and Tissue Research
Publication statusPublished - 1994
Publication categoryResearch