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

Leonid Nezlin, Leonid Moroz, Rolf Elofsson, Dmitr A Sakharov

Research output: Contribution to journalArticlepeer-review


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.
Original languageEnglish
Pages (from-to)269-275
JournalCell and Tissue Research
Publication statusPublished - 1994

Subject classification (UKÄ)

  • Zoology

Free keywords

  • Enkephalins
  • FMRFamide
  • Serotonin (5HT)
  • Immunocytochemistry
  • Sensory organ
  • Osphradium
  • Lymnaea stagnalis (Mollusca)


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