Roles of Calcium and cAMP in Biosynthesis and Release of the Ovulation Hormone of the Freshwater Snail Lymnaea stagnalis

  • E. W. Roubos
  • P. Buma
  • A. M. H. van de Ven
Conference paper
Part of the Proceedings in Life Sciences book series (LIFE SCIENCES)


Because of their large size and easy accessibility for various morphological, physiological, and pharmacological experimental approaches, neurons in the central nervous system of molluscs are very suitable objects for studies of fundamental problems in neurobiology. The bag cells of the sea hare Aplysia californica [1,2] and the caudo-dorsal cells (CDC) of the freshwater snail Lymnaea stagnalis [3,4] belong to the most extensively studied neuronal systems of molluscs. Investigations of these cell types have provided considerable insight into the significance of peptides in neural and neuroendocrine communication, not only as to their diverse functions, but also with respect to the mechanisms that control peptide biosynthesis and release. In this paper we will consider recent neurobiological studies of the CDC with particular reference to functional-morphological aspects.


Axon Terminal Ovulation Hormone Cerebral Ganglion Vesicular Structure Secretory Material 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • E. W. Roubos
  • P. Buma
  • A. M. H. van de Ven
    • 1
  1. 1.Department of Histology and Electron Microscopy, Subfaculty of BiologyFree UniversityAmsterdamThe Netherlands

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