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5-HT responses in electrophysiologically classified gastric myenteric neurons
| Gastric I | Gastric II | Gastric III | |
|---|---|---|---|
| Membrane potential (mV, mean ± SD)1-a | −47.5 ± 6.2 | −52.1 ± 7.2 | −65.4 ± 11 |
| Total population | 138 | 151 | 5 |
| 5-HT3-responsive | 85 | 92 | 1 |
| 5-HT1P-responsive | 15 | 17 | 1 |
| 5-HT3-and 5-HT1P-responsive | 6 | 5 | 0 |
| 5-HT-insensitive | 32 | 37 | 3 |
The mean membrane potentials were significantly different between gastric I, II, and III neurons.
