Identified cells in the central nervous system of Lymnaea stagnalis L. (Gastropoda)

Salánki, János and Kiss, István (1969) Identified cells in the central nervous system of Lymnaea stagnalis L. (Gastropoda). A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 36. pp. 63-75. ISSN 0365-3005

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Abstract

Activity characteristics of giant neurons (over 100 y) identified visually and on the basis of electrophysiological parameters were investigated in the abdominal and right parietal ganglion of Lymnaea stagnalis L. by intracellular microelectrodes. From the experiments it was concluded that 1. The type of activity of neurons having identic topographical localization is identic in each preparation. 2. Different neurons exhibit marked variations in activity. 3. Clear distinction can be made in the preparations between pacemaker and non-pacemaker cells. 4. Most of the cells are under synaptic influence. 5. Some of the neurons examined exhibited activities similar to those observed on other gastropods. 6. The neurons localized identically among the giant cells of the abdominal and right parietal ganglion exhibit a similar or an identic type of activity.

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