Spontaneous and induced egg laying behavior of the pond snail, Lymnaea stagnalis

In Lymnaea egg laying is initiated by the discharge of the neurosecretory caudodorsal cells (CDCs), which release an ovulatory hormone (caudodorsal cell hormone; CDCH) and other peptides. This paper describes the egg laying behavior of intact and freely behaving animals as it occurs spontaneously af...

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Bibliographic Details
Published in:Journal of Comparative Physiology A 1989-09, Vol.164 (5), p.673-683
Main Authors: TER MAAT, A, PIENEMAN, A. W, GOLDSCHMEDING, J. T, SMELIK, W. F. E, FERGUSON, G. P
Format: Article
Language:English
Subjects:
Biochemistry. Physiology. Immunology
Biological and medical sciences
Freshwater
Fundamental and applied biological sciences. Psychology
Invertebrates
Lymnaea stagnalis
Mollusca
Physiology. Development
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Summary:In Lymnaea egg laying is initiated by the discharge of the neurosecretory caudodorsal cells (CDCs), which release an ovulatory hormone (caudodorsal cell hormone; CDCH) and other peptides. This paper describes the egg laying behavior of intact and freely behaving animals as it occurs spontaneously after an environmental stimulus (clean water stimulus; CWS), and following injections of highly purified CDCH. The authors conclude that whenever egg laying is preceded by a CDC discharge, either occurring spontaneously or induced by CWS or electrical stimulation, the behavior differs from that following injections of CDCH directly into the blood.
ISSN:0340-7594
1432-1351
DOI:10.1007/BF00614510