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. 1999 May 1;103(9):1309–1316. doi: 10.1172/JCI5823

Figure 6.

Figure 6

Focal electrical stimulation of sympathetic noradrenergic synaptic inputs to submucous plexus neurons evoked IPSPs. Application of the α-noradrenergic receptor antagonist phentolamine reversibly abolished the stimulus-evoked IPSPs. (a) Control IPSP. (b) Blockade of the IPSP in the presence of 1 μM phentolamine. (c) Recovery of IPSP after washout of phentolamine The neuron had multiple short, clublike dendrites and a single long process.