Anin vivoelectrophysiological study of mating behaviour in the snailHelix aspersa

Autor:	Ronald Chase, René F. Jansen, A. Ter Maat, Joris M. Koene
Rok vydání:	1999
Předmět:	Sensory stimulation therapy biology Helix (gastropod) Neuropeptide Stimulation Anatomy Snail biology.organism_classification Electrophysiology Hermaphrodite biology.animal Animal Science and Zoology Mating Developmental Biology
Zdroj:	Invertebrate Reproduction & Development. 36:123-127
ISSN:	2157-0272 0792-4259
DOI:	10.1080/07924259.1999.9652687
Popis:	Summary The mating behaviour of the garden snail Helix aspersa consists of introductory behaviour, dart shooting and copulation. Earlier electrophysiological, morphological and immunocytochemical studies indicated that mating behaviour of this simultaneous reciprocal hermaphrodite is under control of the neurons of the mesocerebrum. With the use of implanted fine wires, in vivo recordings and stimulation of the right mesocerebrum were performed. The recorded neurons showed increased activity upon tactile stimulation of certain skin areas, during courtship and some also during copulation. Electrical stimulation of the right mesocerebrum evoked a gradual eversion of the genital pore. By combining this electrical stimulation with tactile stimulation of the everted genital pore, penial eversion and sometimes dart shooting could be evoked. The injection of APGWamide, a neuropeptide involved in the control of mating in other molluscs, caused an eversion of the genital pore resembling that seen in nature. FMRFam...
Databáze:	OpenAIRE
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