Summary
The presence of dopamine-β-hydroxylase (DBH) and phenylethanol-amine-N-methyltransferase (PNMT) immunoreactivity in specific neurones of the snail Helix aspersa has been demonstrated. In addition, high performance liquid chromatography and electrochemical detection have revealed the presence of noradrenaline and adrenaline in the snail central nervous system, although the major catecholamine is dopamine. These results suggest that adrenaline, and perhaps noradrenaline, have transmitter or modulatory functions in the snail nervous system.
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Osborne, N.N. Phenylethanolamine-N-methyltransferase and dopamine-β-hydroxylase immunoreactivity and the occurrence of noradrenaline and adrenaline in the nervous system of the snail Helix aspersa . Cell Tissue Res. 237, 605–608 (1984). https://doi.org/10.1007/BF00228445
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DOI: https://doi.org/10.1007/BF00228445