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Fig. 1. Electrophysiological recording from neurones of the Lymnaea pedal
ganglia. (A) The central ring ganglia isolated from Lymnaea.
Intracellular recordings were made from neurones in cluster F (white region)
on the dorsal surface of either the left or right pedal ganglion (LPeDG or
RPeDG). (B) Schematic of the Lymnaea central ring ganglia. Recordings
were not obtained from the identified neurones L- or RPeD1. (C) An example
trace of a recording from a cluster F neurone maintained entirely under
normoxic conditions.