Cardioactive peptides of the CNS of the pulmonate snailLymnaea stagnalis |
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| Authors: | W P M Geraerts J P Th M van Leeuwen K Nuyt N D de With |
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| Institution: | (1) Department of Biology, Vrije Universiteit, De Boelelaan 1087, 1007 MC Amsterdam, (The Netherlands) |
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| Abstract: | Summary In the pulmonate snailLymnaea stagnalis the cardioactive effects (tested on isolated auricles) of acetylcholine (ACh), 5-hydroxytryptamine (5-HT), the bivalve tetrapeptide FMRFamide, and of chromatographically separated snail brain substances have been established. Besides ACh and 5-HT, in brain extracts, small FMRFamide-like and large cardioexcitatory peptides were found. |
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