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. 2021 Feb 18;120(8):1454–1468. doi: 10.1016/j.bpj.2021.01.038

Figure 1.

Figure 1

The pyloric and isolated pacemaker circuits. (A) Above: circuit diagram of the pyloric network of the STG. Chemical synapses are represented by curved lines with colored balls, with red indicating a cholinergic synapse and blue a glutamatergic synapse. Electrical synapses are represented by resistor symbols. Below: an intracellular recording of the PD neuron from the intact pyloric circuit. (B) Above: circuit diagram of the isolated pacemaker after the addition of PTX. Below: intracellular recording of the PD neuron from the isolated pacemaker circuit. Scale, 10 mV with dash at −50 mV.