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To detect neuroactive factors in biological fluids, we have previously elaborated a moveable biosensor, the preparation of isolated neuron penetrated with recording microelectrode [1]. Here, we report that, in the pond snail, signals emanated from a central pattern generator (CPG) for feeding and detected by such biosensor correspond to long-term changes in motor output of the CPG as recorded from...
In the pond snail Lymnaea stagnalis, D-glucose action was investigated on electrical activity of identified central neurons.In the CNS preparations isolated from specimens that starved for 24–96 h., D-glucose added to a. standard or HiDi saline at 500–700 μg/ml effectively hyperpolarized ca. 90% of feeding related neurons Bl, SO and CGC. However, not all feeding-related neurons examined were responsive...
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